Dale H. Clayton - Publications

Research highlights...

Beak of the pinch: anti‑parasite traits are similar among Darwin’s fnch species

See paper in Evol. Ecol.

Experimental evolution of reproductive isolation from a single natural population

See paper in PNAS and watch a 1min video summary and read the press release here

Annual environmental variation influences host tolerance to parasites

See paper in Proceedings of the Royal Society

Coevolution of Life on Hosts: Integrating Ecology and History

Link to University of Chicago Press and to reviews in Evolution and American Biology Teacher

Main Content

BOOKS

Clayton, D. H., S. E. Bush and K. P. Johnson. 2015. Coevolution of life on hosts: integrating ecology and history. University of Chicago Press. 294 pp. Order Book Online

Price, R. D., R. A. Hellenthal, R. L. Palma, K. P. Johnson and D. H. Clayton. 2003. The chewing lice: World checklist and biological overview. Illinois Natural History Survey Special Publication 24. 501pp. Available online

Clayton, D. H. and J. Moore, eds. 1997. Host-parasite evolution: General principles and avian models. Oxford Univ. Press, England. 473 pp. 20 chapters by 27 authors. Order Book On-Line

BOOK CHAPTERS

7. Clayton, D.H., R.J. Adams and S.E. Bush. 2008. Phthiraptera, the Chewing lice. Pp. 515-526 in C.T. Atkinson, N.J. Thomas, and D.B. Hunter (eds). Parasitic Diseases of Wild Birds. Wiley-Blackwell, Ames, Iowa. PDF

6. Moyer, B. R. and D. H. Clayton. 2004. Avian defenses against ectoparasites. Pp. 241-257 in H. F. van Emden and M. Rothschild (ed.s) Insect and Bird Interactions Andover, U.K.: Intercept. PDF

5. Johnson, K. P. and D. H. Clayton. 2003. The Biology, Ecology, and Evolution of Chewing Lice. From Price, R. D., R. A. Hellenthal, R. L. Palma, K. P. Johnson and D. H. Clayton. The Chewing Lice: World Checklist and Bological Overview. Illinois Natural History Survey Special Publication 24. 501pp. PDF

4. Clayton, D. H., S. Al-Tamimi and K. P. Johnson. 2003. The ecological basis of coevolutionary history. Pp. 310-341 in R. D. M. Page (ed.) Tangled Trees: Phylogeny, Cospeciation and Coevolution. University of Chicago Press. PDF

3. Johnson, K. P. and D. H. Clayton. 2003. Coevolutionary history of ecological replicates: comparing phylogenies of wing and body lice to Columbiform hosts. Pp. 262-286 in R. D. M. Page (ed.) TTangled Trees: Phylogeny, Cospeciation and Coevolution. University of Chicago Press. PDF

2. Clayton, D. H. and B. A. Walther. 1997. Collection and quantification of arthropod parasites of birds. Pp. 419-440 in D. H. Clayton and J. Moore (eds.) Host-Parasite Evolution: General Principles and Avian Models. Oxford Univ. Press, England. PDF

1. Clayton, D. H. 1991. Coevolution of avian grooming and ectoparasite avoidance. Pp. 258-289 in J.E. Loye and M. Zuk (eds.) Bird - Parasite Interactions: Ecology, Evolution and Behaviour. Oxford Univ. Press, Oxford, England. PDF

PAPERS

157. Beausoleil, M-O., P. L. Carrion-Avilés, J. Podos, C. Camacho, J. Rabadán-González, R. Richard, K. Lalla, J. A. M. Raeymaekers, S. A. Knutie, L. F. De León, S. K. Huber, J. A. Chaves, D. H. Clayton, J. A. H. Koop, D. M. T. Sharpe, K. Gotanda, R. D. H. Barrett and A. P. Hendry. 2023. The fitness landscape of a community of Darwin’s finches. Evolution 77:2533–2546. PDF

156. Herman, J. M., V. D. Fiorini, I. Crudele, J. C. Reboreda, S. A. Pladas, A. P. Watson, S. E. Bush, and D. H. Clayton. 2023. Co-parasitism in the face of predation: Effects of natural enemies on a neotropical mockingbird. Journal of Animal Ecology. DOI: 10.1111/1365-2656.13991 PDF

155. Bush, S. E., M. W. Waller, J. M. Herman, K. Hobbs, A. R. Clayton, J. Watson, M. D. Oleyar, and D. H. Claytonn. 2023. Birds groom more in regions with higher parasite pressure: a comparison of temperate and subtropical American kestrels. Animal Behaviour 201:125-135.  PDF

154.  Bush, S. E., and D. H. Clayton. 2023. Does preening behavior reduce the prevalence of avian feather lice (Phthiraptera: Ischnocera)? Journal of Parasitology 109:145-147  PDF

153.  Bush, S. E., and D. H. Clayton. 2023. Grooming time predicts survival: American kestrels, Falco sparverius, on a sub-tropical island. American Naturalist 201: 603-609  PDF

152. Carrión, P. L., J.A.M. Raeymaekers, L.F. De León, J. Chaves, D. M.T. Sharpe, S. K. Huber, A. Herrel, B. Vanhooydonck, K. M. Gotanda, J.A.H. Koop, S. A. Knutie, D. H. Clayton, J. Podos and A. P. Hendry. 2022. The terroir of the finch: How spatial and temporal effects shape phenotypic variation In Darwin’s finches. Ecology and Evolution 12 p.e9399. PDF

151. Boyd, B. M., N. Nguyen, J. M. Allen, R. M. Waterhouse, K. B. Vo, A. D. Sweet, D. H. Clayton, S. E. Bush, M. D. Shapiro, and K. P. Johnson. 2022.  Long-distance dispersal of pigeons and doves generated new ecological opportunities for host-switching by their parasites. Proceedings of the Royal Society, B.  289:20220042. PDF

150. McNew, S. T., Boquete, S. Espinoza-Ulloa, J. Andres, N. Wagemaker, S. Knutie, C. Richards, and D. H. Clayton. 2021.  Epigenetic effects of parasites and pesticides on captive and wild nestling birds.  Ecology and Evolution 2021;00:1–17 PDF

149. Bush, S. E., D. R. Gustafsson, V. V. Tkach, and D. H. Clayton. 2021. A misidentification crisis plagues specimen-based research: a case for guidelines with a recent example (Ali et al., 2020). Journal of Parasitology 107: 262.266. PDF

148. Baldwin-Brown, J. G., S.M. Villa, A. Vickery, K.P. Johnson, S. E. Bush, D.H. Clayton, M.D. Shapiro. 2021.  The assembled and annotated genome of the pigeon louse Columbicola columbae, a model ectoparasite. G3: Genes | Genomes | Genetics 11:jkab009. doi: 10.1093/g3journal/jkab009 PDF

147. Goodman, G. B., M. C. Klingensmith, S. E. Bush, and D. H. Clayton.  2020.  The role of scratching in the control of ectoparasites on birds.  Auk: Ornithological Advances 137:1-9. PDF

146. Goodman, G. B., S. A. Conner, S. E. Bush, and D. H. Clayton.  2020. Is allopreening a stimulus-driven defense against ectoparasites?  J. Parasitology. 106:167-171. PDF

145. McNew, S. M., S. A. Knutie, and D. H. Clayton.  2020. No evidence of sex ratio manipulation by Galápagos mockingbirds in response to environment.  J. Avian Biology. PDF

144. McNew, S. M.. Goodman, G. B., Yepez, J., Clayton, D. H. 2020. Parasitism by an invasive nest fly reduces future reproduction in Galápagos mockingbirds. Oecologia https://doi.org/10.1007/s00442-019-04582-y PDF

143. Villa, S. M., J. C. Altuna, J. S. Ruff, A. B. Beach, L. I. Mulvey, E. J. Poole, H. E. Campbell, K. P. Johnson, M. D. Shapiro, S. E. Bush and D. H. Clayton. 2019. Experimental evolution of reproductive isolation from a single natural population. Proc. Natl. Acad. Sci. www.pnas.org/cgi/doi/10.1073/pnas.1901247116 PDF

142. McNew, S. M., S. A. Knutie, G. B. Goodman, A. Theodosopoulos, A. Saulsberry, J. Yépez R., S. E. Bush, and D. H. Clayton. 2019. Annual environmental variation influences host tolerance to parasites. Proceedings of the Royal Society, B.286:20190049. doi:10.1098/rspb.2019.0049 PDF

141. S. E. Bush, S. M. Villa, J. C. Altuna, K. P. Johnson, M. D. Shapiro, and D. H. Clayton. 2019 Host defense triggers rapid adaptive radiation in experimentally evolving parasites. Evolution Letters https://doi.org/10.1002/evl3.104 PDF

140. Gustafsson, D. R., D. H. Clayton, and S. E. Bush. 2019. Twelve new species of Guimaraesiella (Phthiraptera: Ischnocera: Philopteridae) from “babblers” (Passeriformes: Leiothrichidae, Pellorneidae, Timaliidae), with a description of a new subgenus and a key to its species. Zootaxa 4543: 451-497. PDF

139. Villa SM, Koop JAH, Le Bohec C, and Clayton DH. 2018. Beak of the pinch: anti-parasite traits are similar among Darwin’s finch species. Evolutionary Ecology. PDF

138. Bush, S. E., D. R. Gustafsson, and D. H. Clayton. 2018. New records of ectoparasites from passerine birds in the High Tatras of Slovakia. Oecologia Montana 27:43-45. PDF

137. Bush, S.E., D.H. Clayton. 2018 Anti-parasite behaviour of birds. Philosophical Transactions B 373: 20170196. http://dx.doi.org/10.1098/rstb.2017.0196 PDF

136. DiBlasi, E., K.P. Johnson, S.A. Stringham, A.N. Hansen, A.B. Beach, D.H Clayton, S.E. Bush. 2018 Phoretic dispersal influences parasite population genetic structure. Molecular Ecology 2018:1-10 PDF Supplemental information. PDF

135. Villa S.M., M.D. Evans, Y.K. Subhani, J.A. Altuna, S.E. Bush and D.H. Clayton. 2018. Body size and fecundity are correlated in feather lice (Phthiraptera: Ischnocera): Implication of Harrison’s Rule. Ecological Entomology DOI: 10.1111/een.12511 PDF

134. Gustafsson, D. R., D. H. Clayton, and S. E. Bush. 2018. Twelve new species of Priceiella Gustafsson & Bush, 2017 (Phthiraptera: Ischnocera: Philopteridae) from Old World babblers, with a key and comprehensive host-parasite checklist. Zootaxa 4382 (3): 401–449. PDF

133. McNew, S. M. and D. H. Clayton. 2018. Alien invasion: Biology of Philornis flies highlighting P. downsi, an introduced parasite of Galapagos birds. Annual Review of Entomology 63:369-87. PDF

132. McNew, S. M., D. Beck, I. Sadler-Riggleman, S. A. Knutie, J. A. H. Koop, D. H. Clayton and M. K. Skinner. 2017. Epigenetic variation between urban and rural populations of Darwin’s finches. BMC Evolutionary Biology 17: DOI 10.1186/s12862-017-1025-9 PDF

131. Heimpel, G. E., A. Hillstrom, D. Freund, S. A. Knutie, and D. H. Clayton. 2017. Invasive parasites and the fate of Darwin’s finches in the Galapagos Islands: the case of the Vegetarian Finch. Wilson Journal of Ornithology 129:345–349 PDF

130. Boyd, B. M., J. A. Allen, N. Nguyen, A. D. Sweet, T. Warnow, M. Shapiro, S. M. Villa, S. E. Bush, D. H. Clayton, K. P. Johnson. 2017. Phylogenomics using target restricted assembly resolves intra-generic relationships of parasitic lice (Phthiraptera: Columbicola). Systematic Biology 66:896-911. PDF

129. Knutie, S. A., J. M. Herman, J. P. Owen and D. H. Clayton. 2017. Tri-trophic ecology of native parasitic nest flies of birds in Tobago. Ecosphere 8(1):e01670. 10.1002/ecs2.1670 PDF

128. Villa, S. M., G. B. Goodman, J. S. Ruff and D. H. Clayton. 2016. Does allopreening control avian ectoparasites? Biology Letters 12: 20160362. http://dx.doi.org/10.1098/rsbl.2016.0362. PDF

127. Villa, S. M., H. E. Campbell, S. E. Bush and D. H. Clayton. 2016. Does anti-parasite behavior improve with experience: Experimental test of the priming hypothesis. Behavioural Ecology doi:10.1093/beheco/arw032. PDF

126. Knutie, S. A., J. P. Owen, S. M. McNew, A. W. Bartlow, E. Arriero, J. M. Herman, E. Diblasi, M. Thompson, J. A. H. Koop and D. H. Clayton. 2016. Galápagos mockingbirds are tolerant hosts of introduced parasites that threaten Darwin’s finches. Ecology 97:940-950. PDF

125. Koop, J. A. H., P. S. Kim, S. A. Knutie, F. Adler and D. H. Clayton. 2016. Introduced parasitic fly may lead to local extinction of Darwin’s finch populations. Journal of Applied Ecology doi: 10.1111/1365-2664.12575 PDF

124. Owen, J.P., J.L. Waite, K.Z. Holden and D.H. Clayton. 2014. Does antibody binding to novel proteins predict future infection?  (Commisioned article for special issue on immunology and ectoparasites). Parasite Immunology 36: 571-582. PDF

123. Skinner, M. A., C. Gurerrero-Bosagna, Md M. Haque, E. E. Nilsson, J. A. H. Koop, Sarah A. Knutie and D. H. Clayton. 2014. Epigenetics and the evolution of Darwin's finches. Genome Biology and Evolution 6 1972-1989. PDF

122. Ghosh, S., J.L. Waite, D. H. Clayton and F.R. Adler. 2014. Can antibodies against flies alter malaria transmission in birds by changing vector behavior? Journal of Theoretical Biology 358: 93-101. PDF

121. Waite, J.L., A.R. Henry, J.P. Owen and D.H. Clayton. 2014. An experimental test of the effects of behavioral and immunological defenses against vectors: do they interact to protect birds from blood parasites? Parasites & Vectors 7:104 PDF

120. Knutie, S.A., S.M. McNew, A.W. Bartlow, D.A. Vargas, D.H. Clayton. 2014 Darwin’s finches combat introduced nest parasites with fumigated cotton. Current Biology 24(9):R355–R356 DOI: http://dx.doi.org/10.1016/j.cub.2014.03.058 PDF

119. Koop, J. A. H., C. Le Bohec and D. H. Clayton. 2013. Dry year does not reduce invasive parasitic fly prevalence or abundance in Darwin's finch nests. Reports in Parasitology 3: 11­17. PDF

118. Koop, J. A. H., J. P. Owen, S. A. Knutie, M. A. Aguilar and D. H. Clayton. 2013. Experimental demonstration of a parasite-induced immune response in wild birds: Darwin’s finches and introduced nest flies. Ecology and Evolution 3(8): 2514-2523 DOI:10.1002/ece3.651. PDF

117. Knutie, S. A., J. A. H. Koop, S. S. French and D. H. Clayton. 2013. Experimental test of the effect of introduced hematophagous flies on the corticosterone levels of breeding Darwin’s finches. General and Comparative Endocrinology 193: 68-71 PDF

116. Koop, J. A. H. and D. H. Clayton. 2013. Evaluation of two methods for quantifying passeriform lice. Journal of Field Ornithology 84: 210-215. PDF

115. Smith, W. A., K. P. Johnson, D. L. Reed, T. Carter, K. L. Smith, R. Koga, T. Fukatsu, D.H. Clayton and C. Dale. 2013. Phylogenetic analysis of symbionts in feather-feeding lice of the genus Columbicola: Evidence for repeated symbiont replacements. BMC Evolutionary Biology 13: 109-123. PDF

114. Villa, S. M., Le Bohec, C., Koop, J. A. H., Proctor, H. D., and D. H. Clayton. 2013. Diversity of feather mites (Acari: Astigmata) on Darwin's Finches. J. Parasitology 99: 756-762 PDF

113. Waite, J. L., A. R. Henry and D. H. Clayton. 2012. How effective is preening for controlling mobile ectoparasites? An experimental test with pigeons and hippoboscid flies. International Journal of Parasitology 42(5):463-467. PDF

112. Knutie, S. A., J. L. Waite and D. H. Clayton. 2012. Does avian malaria reduce host fledging success: A test of the "selection" hypothesis. Evolutionary Ecology DOI 10.1007/s10682-012-9578-y PDF

111. Waite, J. L., A. R. Henry, F, R. Adler and D. H. Clayton. 2012. Sex-specific effects of avian malaria on an insect vector: Support for the resource limitation hypothesis. Ecology 93(11): 2448–2455 PDF

110. Koop, J. A. H., S. K. Huber and D. H. Clayton. 2012. Does sunlight enhance the effectiveness of avian preening for ectoparasite control? Journal of Parasitology 98: 46-48. PDF

109. Harbison, C. W. and D. H. Clayton. 2011. Community interactions govern host-switching with implications for host-parasite coevolutionary history. PNAS 108: 9525-9529. PDF

108. Koop, J. A. H., S. K. Huber, S. M. Laverty and D. H. Clayton. 2011. Experimental demonstration of the fitness consequences of an introduced parasite of Darwin's Finches. PLoS ONE 6(5): e19706. doi:10.1371/journal.pone.0019706. PDF

107. Johnson, K.P., J. Weckstein, S.E. Bush and D.H. Clayton. 2011. The evolution of host specificity in dove body lice. (Invited article for a thematic volume). Parasitology 138, 1730-1736. PDF

106. Johnson, K P., J. Weckstein, M. Meyer and D.H. Clayton. 2011. There and back again: Switching between host orders by avian body lice (Ischnocera: Goniodidae). Biological Journal of the Linnean Society 102: 614-625. PDF

105. Malenke, J R., N. Newbold and D.H. Clayton. 2011. Condition-specific competition governs the geographic distribution and diversity of ectoparasites. American Naturalist 177: 522-534. PDF

104. Bush, S.E., A.N. Rock, S.L. Jones, J.R. Malenke, and D.H. Clayton. 2011 Efficacy of the LouseBuster, a new medical device for treating head lice (Anoplura: Pediculidae). Journal of Medical Entomology 48:67-72. PDF

103. J.P. Owen, A.C. Nelson, D.H. Clayton. 2010. Ecological immunology of bird-ectoparasite systems. Trends in Parasitology 26(11):530-9. PDF View Cover

102. K.P. Johnson, D. H. Clayton, J. P. Dumbacher, R.C. Fleischer. 2010. The flight of the Passenger Pigeon: Phylogenetics and biogeographic history of an extinct species. Molecular Phylogenetic Evolution 57(1):455-8. PDF

101. Clayton, D. H., J. A. H. Koop, C. W. Harbison, B. R. Moyer and S. E. Bush. 2010. How birds combat ectoparasites. Open Ornithology Journal 3:41-71. (Invited review for special issue: Currrent Trends in Avian Parasitology). PDF

100. Bush, S. E., Kim, D., Reed, M. and D. H. Clayton. 2010. Evolution of Cryptic Coloration in Ectoparasites. American Naturalist 176(4):529-35. PDF

99. Huber, S. K., J. P. Owen, J. A. H. Koop, M. O. King, P. R. Grant, B. R. Grant and D. H. Clayton. 2010. Ecoimmunity in Darwin's Finches: Invasive Parasites Trigger Acquired Immunity in the Medium Ground Finch (Geospiza fortis). PLoS One 5(1): e8605. PDF

98. Johnson, K. P., J. R. Malenke and D. H. Clayton. 2009. Competition promotes the evolution of host generalists in obligate parasites. Proceedings Royal Soc Lond (B) DOI: 10.1098/rspb.2009.1174 PDF

97. H.C. Proctor, G. Williams and D. H. Clayton. 2009. Population density and male polymorphism in the feather mite Falculifer rostratus (Acari: Falculiferidae). Trends in Acarology - Proceedings of the 12th International Congress of Acarology (Sabelis, M.W. & Bruin, J., eds.), pp. 299-302. PDF

96. Malenke, J. R., K. P. Johnson, and D. H. Clayton. 2009. Host specialization differentiates cryptic species of feather-feeding lice. Evolution 63:1427-1438. PDF

95. Bush, S. E., R. D. Price, and D. H. Clayton. 2009. Descriptions of eight new species of feather lice in the genus Columbicola (Pthiraptera: Philopteridae), with a comprehensive world checklist. Journal of Parasitology 95:286-294. PDF

94. Harbison, C. W., M. V. Jacobsen, and D. H. Clayton. 2009. Hitchhiker's guide to parasite transmission: phoretic behavior of feather lice. International Journal of Parasitology 39:569-575. PDF

93. Bush, S. E., C. W. Harbison, D. Slager, A. T. Peterson, R. D. Price, and D. H. Clayton. 2009. Geographic variation in the community structure of lice on Western Scrub-jays. Journal of Parasitology 95:10-13. PDF

92. Clayton, D. H. 2008. Balancing the tripod: Acceptance of the 2008 Henry Baldwin Ward Medal. Journal of Parasitology 94(6):1195-1199 (and Durden, L. A. 2008. Introduction of Dale Clayton as the Henry Baldwin Ward Medalist for 2008. Journal of Parasitology 94(6):1193-1194.) PDF

91. Harbison, C.W., S.E. Bush, J.R. Malenke, and Dale H. Clayton. 2008. Comparative transmission dynamics of competing parasite species. Ecology 89:3186-3194. PDF

90. Peterson, A.T., T. Brooks, A. Gamauf, J.C.T. Gonzalez, N.A.D. Mallari, G. Dutson, S.E. Bush, D.H. Clayton and R. Fernandez. 2008. The avifauna of Mt. Kitanglad, Bukidnon Province, Mindanao, Philippines. Fieldiana: Zoology 114:1-43. PDF

89. Johnson, K.P., D.L. Reed, S. Hammond, D. Kim and D.H. Clayton. 2007. Phylogenetic analysis of nuclear and mitochondrial genes supports species groups for Columbicola (Insecta: Phthiraptera). Molecular Phylogenetics and Evolution 45:506-518. PDF

88. Fukatsu, T., R. Koga, W.A. Smith, K. Tanka, N. Nikoh, K. Sasaki-Fukatsu, K. Yoshizawa, C. Dale and D.H. Clayton. 2007. Bacterial endosymbiont of the slender pigeon louse Columbicola columbae allied to endosymbionts of grain weevils and tsetse files. Applied and Environmental Microbiology 73:6660-6668. PDF

87. Pereira, S.L., K.P. Johnson, D.H. Clayton and A.J. Baker. 2007. Mitochondrial and nuclear DNA sequences support a Cretaceous origin of Columbiformes and a dispersal driven radiation in the Paleogene. Systematic Biology 56:656-672. PDF

86. Owen, J.P. and D.H. Clayton. 2007. Where are the parasites in the PHA response? Trends in Ecology and Evolution 22:228-229. PDF

85. Bush, S.E. and D.H. Clayton. 2006. The role of body size in host specificity: Reciprocal transfer experiments with feather lice. Evolution 60:2158-2167. PDF

84. Goates, B.M., J.S. Atkin, K.G. Wilding, K.J. Birch, M.R. Cottam, S.E. Bush and D.H. Clayton. 2006. An effective non-chemical treatment for head lice: A lot of hot air. Pediatrics 118:1962-1970. PDF

83. Iwaniuk, A.N., D.H. Clayton and D.R.W. Wylie. 2006. Echolocation, vocal learning, auditory localization and the relative size of the avian auditory midbrain nucleus (MLd). Behavioural Brain Research 167:305-317. PDF

82. Bush, S.E., E. Sohn and D.H. Clayton. 2006. Ecomorphology of parasite attachment: experiments with feather lice. Journal of Parasitology 92:25-31. PDF

81. Bush, S.E., B.R. Moyer, D. Kim, J. Lever and D.H. Clayton. 2006. Is melanin a defense against feather-feeding lice? The Auk 123:153-161. PDF

80. Clayton, D.H., R.D. Price and K.P. Johnson. 2006. Two new species of Dennyus (Collodennyus) chewing louse (Phthiraptera: Amblycera: Menoponidae) from swiftlets (Apodiformes: Apodidae). Proceedings of the Entomological Society of Washington 108(2):306-311. PDF

79. Adams, R.J., R.D. Price and D.H. Clayton. 2005. Taxonomic revision of Old World members of the feather louse genus Columbicola (Phthiraptera: Ischnocera), including descriptions of eight new species. Journal Natural History 39:3545-6318. PDF

78. Price, J.J., K.P. Johnson, S.E. Bush and D.H. Clayton. 2005. Phylogenetic relationships of the Papuan Swiftlet Aerodramus papuensis and implications for the evolution of avian echolocation. Ibis 147:790-796. PDF

77. Johnson, K.P., S.E. Bush and D. H. Clayton. 2005. Correlated evolution of host and parasite body size: Tests of Harrison's Rule using birds and lice. Evolution 59:1744-1753. PDF

76. Clayton, D. H., B. R. Moyer, S. E. Bush, D. Gardiner, B. Rhodes, T. Jones and F. Goller. 2005. Adaptive significance of avian beak morphology for ectoparasite control. Proceedings of the Royal Society: Biological Sciences 272:811-817. PDF The New York Times Article (05/10/05)

75. Douglas III, H. D., J. R. Malenke and D. H. Clayton. 2005. Is the citrus-like plumage odorant of Crested Auklets (Aethia cristatella) a defense against lice? Journal of Ornithology 146:111-115 PDF

74. Walther, B. A. and D. H. Clayton. 2005. Elaborate ornaments are costly to maintain: Evidence for high maintenance handicaps. Behavioural Ecology 16:89-95. PDF

73. Reed D. L., V. S. Smith, A. R. Rogers, S. L. Hammond and D. H. Clayton. 2004. Genetic analysis of lice supports direct contact between modern and archaic humans. Public Library of Science Biology 2:1972-1983. PDF         Synopsis      Full-text (html)         Science: News of the Week        Press Release

72. Johnson, K. P. and D. H. Clayton. 2004. Untangling coevolutionary history. Systematic Biology 53:92-94. PDF

71. Clayton, D. H., S. E. Bush and K. P. Johnson. 2004. Ecology of congruence: Past meets present. Systematic Biology 53:165-173. PDF

70. Price, J. J., K. P. Johnson and D. H. Clayton. 2004. The evolution of echolocation in swiftlets. Journal of Avian Biology 35:135-143. PDF

69. Clayton, D. H., S. E. Bush, B. M. Goates and K. P. Johnson. 2003. Host defense reinforces host-parasite cospeciation. PNAS 100:15694-15699. PDF    Full-text (html)    The Japan Times

68. Clayton, D. H. and K. P. Johnson. 2003. Linking coevolutionary history to ecological processes: Doves and lice. Evolution 57:2335-2341. PDF

67. Price, R. D., R. L. Palma and D. H. Clayton. 2003. Review of the genus Saemundssonia Timmerman (Phthiraptera: Philopteridae) from the Alcidae (Aves: Charadriiformes), including a new species and new host records. Proceedings of the Entomological Society of Washington 105: 915-924. PDF

66. Moyer, B. R., A. N. Rock and D. H. Clayton. 2003. Experimental test of the importance of preen oil in Rock Doves (Columba livia). Auk 120:490-496. PDF

65. Johnson, K. P., R. H. Cruickshank, V. S. Smith, R. J. Adams, R. D. M. Page and D. H. Clayton. 2003. Dramatically elevated rate of mitochondrial substitution in lice (Insecta: Phthiraptera). Molecular Phylogenetics and Evolution 26:231-242. PDF

64. Johnson, K.P., R.J. Adams, R.D.M. Page and D.H. Clayton. 2003. When do parasites fail to speciate in response to host speciation? Systematic Biology 52:37-47. PDF

63. Johnson, K. P., R. J. Adams and D. H. Clayton. 2002. The phylogeny of the louse genus Brueelia does not reflect host phylogeny. Biological Journal of the Linnaean Society 77:233-247. PDF

62. Moyer, B. R., A. T. Peterson and D. H. Clayton. 2002. Influence of bill shape on ectoparasite load in Western Scrub-jays. Condor 104:675-678. PDF

61. Moyer, B. R., D. M. Drown and D. H. Clayton. 2002. Low humidity reduces ectoparasite pressure: Implications for host life history evolution. Oikos 97:223-228. PDF

60. Moyer, B. R., D. W. Gardiner and D. H. Clayton. 2002 Impact of feather molt on ectoparasites: Looks can be deceiving. Oecologia 131:203-210. PDF

59. Johnson, K. P., B. L. Williams, D. M. Drown, R. J. Adams and D. H. Clayton. 2002. The population genetics of host specificity: Genetic differentiation in dove lice (Insecta: Phthiraptera). Molecular Ecology 11:25-38 (and cover). PDF View Cover

58. Clayton, D. H. and D. M. Drown. 2001. Critical evaluation of five methods for quantifying chewing lice (Insecta: Phthiraptera). Journal of Parasitology 87:1291-1300. PDF

57. Reed, D. L., B. R. Moyer and D. H. Clayton. 2001. Risks that websites could break code of anonymity (Technological threat to anonymous review). Nature 413:347. PDF

56. Johnson, K.P, S. de Kort, K. Dinwoodey, A. C. Mateman, C. ten Cate, C. M. Lessells, and D. H. Clayton. 2001. A molecular phylogeny of the dove genera Streptopelia and Columba. Auk 118:874-887. PDF

55. Clayton, D. H. and B. A. Walther. 2001. Influence of host ecology and morphology on the diversity of Neotropical bird lice. Oikos 94:455-467. (Featured by Science. Editors' Choice - Ecology/Evolution 2001. 294:15). PDF

54. Johnson, K. P., R. J. Adams and D. H. Clayton. 2001. Molecular systematics of Goniodidae (Insecta: Phthiraptera). Journal of Parasitology 87:862-869. PDF

53. Clayton, D. H. and K. P. Johnson. 2001. Lice as probes. Trends in Ecology and Evolution 16:433. PDF

52. Cruickshank, R. H., K. P. Johnson, V. S. Smith, R. J. Adams, D. H. Clayton and R. D. M. Page. 2001. Phylogenetic analysis of partial sequences of elongation factor 1 alpha identifies major groups of lice (Insecta: Phthiraptera). Molecular Phylogenetics and Evolution 19:202-215. PDF

51. Clayton, D. H. and K. P. Johnson. 2001. What's bugging brood parasites? Trends in Ecology and Evolution 16:9-10. PDF

50. Johnson, K. P., D. M. Drown and D. H. Clayton. 2001. A data based parsimony method of cophylogenetic analysis. Zoologica Scripta 30:79-87. PDF

49. Johnson, K. P. and D. H. Clayton. 2000. A molecular phylogeny of the dove genus Zenaida: Mitochondrial and nuclear DNA sequences. Condor 102: 864-870. PDF

48. Clayton, D. H. and K. P. Johnson. 2000. Testing species limits of non-echolocating Philippine swiftlets (Collocalia spp.) using molecular genetic data. Sylvatrop 10:70-77. PDF

47. Price, R. D., D. H. Clayton and R. J. Adams. 2000. Pigeon lice down under: Taxonomy of Australian Campanulotes (Phthiraptera: Philopteridae), with a description of C. durdeni n. sp. Journal of Parasitology 86: 948-950. PDF

46. Johnson, K. P. and D. H. Clayton. 2000. Nuclear and mitochondrial genes contain similar phylogenetic signal for pigeons and doves (Aves: Columbiformes). Molecular Phylogenetics and Evolution 14: 141-151. PDF

45. Johnson, K. P. and D. H. Clayton. 1999. Swiftlets on islands: genetics and phylogeny of the Seychelles and Mascarene swiftlets. Phelsuma 7:9-13. PDF

44. Clayton, D. H., P. L. M. Lee, D. M. Tompkins and E. D. Brodie III. 1999. Reciprocal natural selection on host-parasite phenotypes. American Naturalist 154: 261-270. PDF

43. Price, R. D., D. H. Clayton and R. A. Hellenthal. 1999. Taxonomic review of Physconelloides (Phthiraptera: Philopteridae) from the Columbiformes (Aves), including descriptions of three new species. Journal of Medical Entomology 36:195-206. PDF

42. Clayton, D. H. and R. D. Price. 1999. Taxonomy of New World Columbicola (Phthiraptera: Philopteridae) from the Columbiformes (Aves), with descriptions of five new species. Annals of the Entomological Society of America 92: 675-685. PDF

41. Walther, B. A., D. H. Clayton and R. D. Gregory. 1999. Showiness of Neotropical birds in relation to ectoparasite abundance and foraging stratum. Oikos 87: 157-165. PDF

40. Clayton, D. H. 1999. Feather-busting bacteria. Auk 116:302-304. PDF

39. Tompkins, D. M. and D. H. Clayton. 1999. Host resources govern the specificity of swiftlet lice: Size matters. Journal of Animal Ecology 68:489-500. PDF

38. Clayton, D. H. and R. D. Price. 1998. Taxonomic review of Cotingacola (Phthiraptera: Philopteridae) from the cotingas (Passeriformes: Cotingidae), with descriptions of two new species. Journal of Medical Entomology 35:732-739. PDF

37. Page, R. D. M., P. L. M. Lee, S. A. Becher, R. Griffiths and D. H. Clayton. 1998. A different tempo of mitochondrial evolution in birds and their parasitic lice. Molecular Phylogenetics and Evolution 9:276-293. PDF

36. Price, R. D. and D. H. Clayton. 1997. Two new species of Dennyus (Ctenodennyus) lice (Phthiraptera: Menoponidae) from swiftlets (Apodiformes: Apodidae). Journal of the Kansas Entomological Society 70:4-10. PDF

35. Walther, B. A. and D. H. Clayton. 1997. Dust-ruffling: a simple method for quantifying ectoparasite loads of live birds. Journal of Field Ornithology 68:509-518. PDF

34. Tompkins, D. M., T. Jones and D. H. Clayton. 1996. Effect of vertically transmitted ectoparasites on the reproductive success of swifts (Apus apus). Functional Ecology 10: 733-740. PDF

33. Renaud, F., D. H. Clayton, and T. De Meeüs. 1996. Biodiversity and evolution in host-parasite associations. Biodiversity and Conservation 5:963-974. PDF

32. Clayton, D. H., R. D. Price and R. D. M. Page. 1996. Revison of Dennyus (Collodennyus) lice (Phthiraptera: Menoponidae) from swiftlets, with descriptions of new taxa and a comparison of host-parasite relationships. Systematic Entomology 21:179-204. PDF

31. Lee, P. L. M., D. H. Clayton, R. Griffiths and R. D. M. Page. 1996. Does behaviour reflect phylogeny in cave swiftlets (Aves, Apodidae)? A test using cytochrome b mitochondrial DNA sequences. Proceedings of the National Academy of Sciences, USA 93:7091-7096. PDF

30. Page, R. D. M., D. H. Clayton and A. M. Paterson. 1996. Lice and cospeciation: A response to Barker. International Journal for Parasitology 26:213-218. PDF

29. Price, R. D. and D. H. Clayton. 1996. Revision of the Chewing Louse Genus Formicaphagus (Phthiraptera: Philopteridae) from Neotropical Antbirds and Gnateaters (Aves: Passeriformes). Journal of the Kansas Entomological Society 69: 346-356. PDF

28. Lee, P. L. M. and D. H. Clayton. 1995. Population biology of swift (Apus apus) ectoparasites in relation to host reproductive success. Ecological Entomology 20:43-50. PDF

27. Clayton, D. H. and D. M. Tompkins. 1995. Comparative effects of mites and lice on the reproductive success of rock doves (Columba livia). Parasitology 110:195-206. PDF

26. Walther, B. A., P. Cotgreave, R. D. Price, R. D. Gregory and D. H. Clayton. 1995. Sampling effort and parasite species richness. Parasitology Today 11:306-310. PDF

25. Price, R. D. and D. H. Clayton. 1995. Review of Formicaricola (Phthiraptera: Philopteridae) from Ground Antbirds (Passeriformes: Formicariidae). Annals of the Entomological Society of America 88:718-721. PDF

24. Price, R. D. and D. H. Clayton. 1995. A new genus and three new species of chewing lice (Phthiraptera: Philopteridae) from Peruvian ovenbirds (Passeriformes: Furnariidae). Proceedings of the Entomological Society of Washington 97: 839-844. PDF

23. Clayton, D. H. and D. M. Tompkins. 1994. Ectoparasite virulence is linked to mode of transmission. Proceedings of the Royal Society of London B 256:211-217. PDF

22. Cotgreave, P. and D. H. Clayton. 1994. Comparative analysis of time spent grooming by birds in relation to parasite load. Behaviour 131:171-187. PDF

21. Clayton, D. H. and P. Cotgreave. 1994. Relationship of bill morphology to grooming behaviour in birds. Animal Behaviour 47:195-201. PDF

20. Price, R. D. and D. H. Clayton. 1994. Review of the species of Rallicola (Phthiraptera: Philopteridae) from the antbirds, ovenbirds and tapaculos (Passeriformes: Dendrocolaptidae). Journal of Medical Entomology 31:649-657. PDF

19. Clayton, D. H. and P. H. Harvey. 1993. Hanging nests on a phylogenetic tree. Current Biology 3:882-883. PDF

18. Booth, D. T., D. H. Clayton and B. A. Block. 1993. Experimental demonstration of the energetic cost of parasitism in free-ranging hosts. Proceedings of the Royal Society of London B 253:125-129. PDF

17. Clayton, D. H. and N. D. Wolfe. 1993. The adaptive significance of self-medication. Trends in Ecology and Evolution 8:60-63. PDF

16. Clayton, D. H. and J. G. Vernon. 1993. Common grackle anting with lime fruit and its effect on ectoparasites. Auk 110:951-952. PDF

15. Price, R. D. and D. H. Clayton. 1993. Review of the species of Rallicola (Phthiraptera: Philopteridae) from the woodcreepers (Passeriformes: Dendrocolaptinae). Journal of Medical Entomology 30:35-46. PDF

14. Clayton, D. H., R. D. Gregory and R. D. Price. 1992. Comparative ecology of neotropical bird lice. Journal of Animal Ecology 61:781-795. PDF

13. Clayton, D. H., S. G. Pruett-Jones and R. Lande. 1992. Reappraisal of the interspecific prediction of parasite-mediated sexual selection: Opportunity knocks. Journal of Theoretical Biology 157:95-108. PDF

12. Clayton, D. H. 1991. The influence of parasites on host sexual selection. Parasitology Today 7:329-334 (and cover). PDF

11. Clayton, D. H. 1990. Mate choice in experimentally parasitized Rock Doves: Lousy males lose. American Zoologist 30:251-262. PDF

10. Clayton, D. H. 1990. Host specificity of Strigiphilus owl lice (Ischnocera: Philopteridae), with the description of new species and host associations. Journal of Medical Entomology 27:257-265. PDF

9. Clayton, D. H. and R. D. Price. 1989. Colpocephalum Holzenthali N. Sp. (Mallophaga: Menoponidae) from the Barred Forest-falcon Micrastur ruficollis (Falconidae) in Peru. Journal of Parasitology 75:505-507. PDF

8. Price, R. D. and D. H. Clayton. 1989. Kaysius emersoni (Mallophaga: Menoponidae), a new genus and new species of louse from the Wedge-billed Woodcreeper (Passeriformes: Dendrocolaptidae) of Peru. Annals of the Entomology Society of America 82:29-31. PDF

7. Davis, D. R., D. H. Clayton, D. H. Janzen and A. P. Brooke. 1986. Neotropical Tineidae, II: Biological notes and descriptions of two new moths phoretic on spiny pocket mice in Costa Rica (Lepidoptera: Tineoidea). Proceedings of the Entomological Society of Washington 88:98-109. PDF

6. Clayton, D. H. 1985. Nocturnal foraging of Yellow-crowned Night Herons in the Bahamas. Florida Field Naturalist 13:34-35. PDF

5. Hill, S. B. and D. H. Clayton. 1985. Wildlife after dark: A review of nocturnal observation techniques. Bell Museum of Natural History Occasional Paper 17:1-23. University of Minnesota, Minneapolis. PDF

4. Clayton, D. H. and R. D. Price. 1984. Taxonomy of the Strigiphilus cursitans species group (Ischnocera: Philopteridae), parasites of owls. Annals of the Entomological Society of America 77:340-363 (and frontpiece). PDF

3. Price, R. D. and D.H. Clayton. 1984. Three new species and two new subgenera of Psittaconirmus (Mallophaga: Philopteridae) from New Guinea parrots (Psittaciformes). International Journal of Entomology 26:241-248. PDF

2. Price, R. D. and D. H. Clayton. 1983. A review of the genus Psittaconirmus (Mallophaga: Philopteridae) from south pacific parrots. International Journal of Entomology 25:56-70. PDF

1. Clayton, D. H., C. L. Hartley and M. Gochfeld. 1978. Two optical tracking devices for nocturnal field studies of birds. Colonial Waterbirds 2: 79-83. PDF