* = grad student co-author, § = undergraduate co-author, bold = Boyle lab members

Peer-reviewed articles and book chapters

*Shogren, E.H., M.A. Jones, B.K. Sandercock, and W.A. Boyle, in review. Factors affecting apparent survival of birds in a wet, tropical, premontane forest. Biotropica

*Williams, E.J. and W.A. Boyle, in review. Causes and consequences of avian dispersal decisions in a dynamic grassland environment. Behavioral Ecology

*Burnett, K., *M.N. Zipple, *L.T. Phillips, *P. Panwar, L.P. McGuire, and W.A. Boyle, in revision. Nocturnal reductions in body temperature in high-elevation Neotropical birds. Journal of Tropical Ecology

Boyle, W.A. and *E.H. Shogren, in review. Sex and deception: a rare example of cheating in a lekking tropical bird. Wilson Journal of Ornithology

McGuire, L.P., L.A. Kelly, D.E. Baloun, W.A. Boyle, T.L. Cheng, J. Clerc, N.W. Fuller, A.R. Gerson, *K.A. Jonasson, E.J. Rogers, *A.S. Sommers, C.G. Guglielmo, in review. Stop using body condition index: violation of the basic assumption of ratio and residual body condition indices in bats. Journal of Mammalogy

*Herse, M.R., K.A. With, and W.A. Boyle, accepted. Core habitat versus total habitat per se for conservation of a threatened species along a landscape-fragmentation gradient. Journal of Applied Ecology

*Hsiung, A., W.A. Boyle, R.J. Cooper, and R.B. Chandler, 2018. Altitudinal migration: ecological drivers, knowledge gaps, and conservation implications. Biological Reviews. doi:10.1111/brv.12435

*Williams, E.J. and W.A. Boyle, 2018. Patterns and correlates of within-season breeding dispersal: a common strategy in a declining grassland songbirdThe Auk: Ornithological Advances, 135, 1-14. doi: 10.1642/AUK-17-69.1. Press release and blog about this article, or check out the graphical abstract:

§Sommers, A.S., W.A. Boyle, and L.P. McGuire, 2017. Validation of a field-ready handheld meter for plasma β-hydroxybutyrate analysis. Journal of Field Ornithology, 88:399-404. doi: 10.1111/jofo.12233

*Herse, M.R., M.E. Estey, P.J. Moore, B.K. Sandercock and W.A. Boyle, 2017. Landscape context drives breeding habitat selection by an enigmatic grassland songbirdLandscape Ecology, 32:2351-2364. doi:10.1007/s10980-017-0574-z

Boyle, W.A., 2017. Altitudinal bird migration in North America. The Auk: Ornithological Advances, 134, 443-465. doi:10.1642/AUK-16-228.1. Blog post about this article, or check out the graphical abstract:

Boyle, W.A. and K. Martin, 2016. The conservation value of high elevation habitats to North American migrant birdsBiological Conservation, 192, 461-478. doi: 10.1016/j.biocon.2015.10.008. Supplementary material

Boyle, W.A., B.K. Sandercock, and K. Martin, 2016.  Patterns and drivers of intraspecfic variation in avian life-histories along elevational gradients: a meta-analysisBiological Reviews, 91:469-482; doi: 10.1111/brv.12180

*Visco, D.M., N.L. Michel, W.A. Boyle, B.J. Sigel, S. Woltmann, T.W. Sherry, 2015. Patterns and causes of understory bird declines in human-disturbed tropical forest landscapes: a case study from Central AmericaBiological Conservation, 191, 117-129. doi: 10.1016/j.biocon.2015.05.018

Boyle, W.A. and S.J. Sigel, 2015. Ongoing changes in the avifauna of La Selva Biological Station, Costa Rica: twenty-three years of Christmas Bird CountsBiological Conservation, 188, 11-21. (invited special issue: Ecology and Conservation of Avian Insectivores of the Rainforest Understory: a Pan-Tropical Perspective). doi:10.1016/j.biocon.2015.01.004. Supplementary material (Invited special issue: Ecology and Conservation of Avian Insectivores of the Rainforest Understory: a Pan-Tropical Perspective)

Boyle, W.A. and E. Waterman, 2015. The ecology of musical performance: toward a robust methodology. Pages 25-39 in Current Directions in Ecomusicolgy: Music, Culture, Nature. A. S. Allen & K. Dawe, editors, Routledge Publishers, New York, NY (Invited edited book chapter)

Ross, J.D., J.F. Kelly, E.S. Bridge, M.H. Engle, D.L. Reinking, and W.A. Boyle, 2015. Pallid bands in feathers and associated stable isotope signatures reveal effects of severe weather stressors on fledgling sparrows. PeerJ 3:e814. doi: 10.7717/peerj.814

*Jones, M.A., E.H. DuVal, and W.A. Boyle, 2014. Individual and temporal variability in the courtship behavior of White-ruffed Manakins (Corapipo altera), a species with facultative cooperative displays. The Auk: Ornithological Advances, 131, 727-742. doi: 10.1642/AUK-14-96.1

McGuire, L.P., and W.A. Boyle, 2013. Altitudinal migration in bats: evidence, patterns, and processes. Biological Reviews, 88, 767-786. doi: 10.1111/brv.12024

Boyle, W.A. and J.L. Bronstein, 2012. Phenology of tropical understory trees: patterns and correlatesRevista de Biología Tropical, 60, 1415-1430.  Supplementary material

Boyle, W.A., D.W. Winkler, and C.G. Guglielmo, 2012. Rapid loss of fat but not lean mass prior to chick provisioning supports the flight efficiency hypothesis in Tree Swallows. Functional Ecology 26, 895-903. doi: 10.1111/j.1365-2435.2012.01997.x. Lay Summary

Boyle, W.A., 2011. Short-distance partial migration of Neotropical birds: a community-level test of the foraging limitation hypothesis. Oikos, 120, 1803-1816. doi: 10.1111/j.1600-0706.2011.19432.x. (Invited submission, special issue on ecology and evolution of partial migration)

Boyle, W.A., C.G. Guglielmo, K.A. Hobson, and D.R. Norris, 2011. Lekking birds in a tropical forest forego sex for migration. Biology Letters, 7, 661-663. Supplementary material

Boyle, W.A., C.J. Conway, J.L. Bronstein, 2011. Why do some, but not all, birds migrate? A comparative study of diet breadth and fruit preferenceEvolutionary Ecology, 25, 219-236. doi: 10.1007/s10682-010-9403-4. Supplementary material (Winning OTS Best Student Paper Award)

Boyle, W.A., D.R. Norris, and C.G. Guglielmo, 2010. Storms drive altitudinal migration in a tropical bird. Proceedings of the Royal Society-B, 277, 2511-2519

Sol, D., N. Garcia, A. Iwaniuk, K. Davis, A. Meade, W.A. Boyle, and T. Székely, 2010. Evolutionary divergence in brain size between migratory and resident birds. PLoSOne, 5, e9617

Boyle, W.A., 2010. Does food abundance explain altitudinal migration in a tropical frugivorous bird? Canadian Journal of Zoology, 88, 204-213. doi: 10.1139/Z09-133. Supplementary material

§Lumpkin, H. and W.A. Boyle, 2009. Effects of forest age on fruit composition and removal in tropical bird-dispersed understorey trees. Journal of Tropical Ecology, 25, 515-522. doi:10.1017/S0266467409006208

Boyle, W.A., 2009. How to keep tropical montane frugivorous birds in captivity. Ornitología Neotropical, 20, 265-273

Boyle, W.A., 2008. Partial migration in birds: an evaluation of three hypotheses in a tropical lekking frugivore. Journal of Animal Ecology, 77, 1122-1128 

Boyle, W.A., 2008. Can variation in risk of nest predation explain altitudinal migration in tropical birds? Oecologia, 154, 397-403

Boyle, W.A., §C.N. Ganong, D.B. Clark, & §M.A. Hast, 2008. Density, distribution, and attributes of tree cavities in an old-growth tropical rain forest. Biotropica, 40(2), 241-245. Supplementary Material  .

Boyle, W.A. and C.J. Conway, 2007. Why migrate? A test of the evolutionary precursor hypothesisAmerican Naturalist, 169, 344-359. Appendix A. Appendix B

Holland, J.N., J.H. Ness, W.A. Boyle, and J.L. Bronstein, 2005. Mutualisms as consumer-resource interactions. Pages 17-33 in P. Barbosa and I. Castellanos, editors. Ecology of Predator-Prey Interactions, Oxford University Press, Oxford, England

Other publications and products

Boyle, W. A., 2016. Data deposited to the Avian Knowledge Network archive. Over 6000 banding records collected between 2002 and 2013 from multiple sites on the Caribbean slope of Costa Rica.

Boyle, W. A., in press. Movement Ecology in Morrison, M. L., A. D. Rodewald, G. Voelker, M. R. Colon, and J. F. Prather, editors. Ornithology: Foundation, Critique, and Application, Johns Hopkins University Press, Baltimore, MD

Boyle, W.A. and K. Martin, 2015. Data deposited to Dryad from: The conservation value of high elevation habitats to North American migrant birds. doi:10.5061/dryad.bf486

Boyle, W.A., B.K. Sandercock, and K. Martin, 2015. Data deposited to Dryad from: Patterns and drivers of intraspecfic variation in avian life-histories along elevational gradients: a meta-analysis. doi:10.5061/dryad.h13vg

Boyle, W.A. and S.J. Sigel, 2015. Data deposited to Dryad from: Ongoing changes in the avifauna of La Selva Biological Station, Costa Rica: twenty-three years of Christmas Bird Counts. doi:10.5061/dryad.65v10

Boyle, W.A., 2014. Multi-media dataset: Video behavioral vouchers of Corapipo altera courtship displays, archived at Cornell Lab of Ornithology’s McCaulay Library, catalogue numbers 473506-473519

Boyle, W.A., 2013. Book review: Cotingas and Manakins, 2012, G. Kirwan & G. Green. Ibis, 155, 440-441

Altshuler, D.L., K.L. Cockle, and W.A. Boyle, 2013. North American ornithology in transition. Biology Letters, 9, 20120876. Meeting report from the NAOC-V (5th North American Ornithological Conference held in Vancouver, Canada, Aug 2012)

Boyle, W.A., 2006. Why do birds migrate? The role of food, habitat, predation, and competition. Ph.D. University of Arizona, Tucson, AZ

Boyle, W.A., 2003. Seed images from the Atlantic slope of Costa Rica. Online seed identification resource

Boyle, W.A. and C.J. Conway, 2003. Avian diversity at the Madrona Pools. Pages 61-72 in Madrona Pools Pulse Study: A rapid environmental assessment at the Madrona Pools, Saguaro National Park”.  Report to the U.S. Dept. of Interior, National Park Service, Tucson, AZ