Publications

Anderson, H.L., J. Olivo, and J. Karubian. The adaptive significance of off-lek sociality in birds: a synthetic review, with evidence for the reproductive benefits hypothesis in Long-wattled Umbrellabirds. Ornithology, 140(3): 1–21. PDF

Khalil, S.K., E.D. Enbody, C. Frankl-Vilches, J.F. Welklin, R.E. Koch, M.B. Toomey, S.Y.W. Sin, S.V. Edwards, M. Gahr, H. Schwabl, M.S. Webster, and J. Karubian. Testosterone coordinates gene expression across different tissues to produce carotenoid-based red ornamentation. Molecular Biology and Evolution, 40(4): msad056. PDF

Huh, K.M., M. Ellis, F. Castillo, L. Carrasco, J. Rivero de Aguilar, E. Bonaccorso, L. Browne, and J. Karubian. Hummingbird diversity in a fragmented tropical landscape in the Chocó biogeographic zone. Biotropica, 55: 1–12. PDF

Diaz-Martin, Z., L. Browne, D. Cabrera, J. Olivo, and J. Karubian. Impacts of flowering density on pollen dispersal and gametic diversity are scale dependent. The American Naturalist, 201(1): 52–64. PDF

Boersma, J., E.D. Enbody, J. Karubian, H. Watts, and H. Schwabl. Drought disrupts year-round breeding readiness in a tropical songbird. Avian Conservation and Ecology, 17(2): 44. PDF

Welklin, J.F., S.M. Lantz, S. Khalil, N.M. Moody, J. Karubian, and M.S. Webster. Photoperiod and rainfall are associated with seasonal shifts in social structure in a songbird. Behavioral Ecology, 34: 1-14. PDF

Escobar, S., Y. Vigouroux, J. Karubian, L. Zekraoui, H. Balslev, and R. Montúfar. Limited seed dispersal shapes fine‐scale spatial genetic structure in a Neotropical dioecious large‐seeded palm. Biotropica, 55: 160-172. PDF

Enbody, E.D., S.Y.W. Sin, J. Boersma, S.V. Edwards, S. Ketaloya, H. Schwabl, M.S. Webster, and J. Karubian. The evolutionary history and mechanistic basis of female ornamentation in a tropical songbird. Evolution, 76(8): 1720–1736. PDF

Lele, A., H.M. Garrod, E. Ferguson, C. Azhara Prieto Gil, and M. Ellis. 2022. Variation in avian morphology along a short tropical elevational gradient. Biotropica, 54(4): 869–880. PDF

Lueder, S., K. Narasimhan, J. Olivo, D. Cabrera, J.G. Jurado, L. Greenstein, and J. Karubian. 2022. Functional traits, species diversity and species composition of a Neotropical palm community vary in relation to forest age. Frontiers in Ecology and Evolution, 10: 678125. PDF

Jones, J.A., J. Boersma, J. Liu, D. Nason, S. Ketaloya, and J. Karubian. 2022. Female ornamentation does not predict aggression in a tropical songbird. Behavioral Ecology and Sociobiology, 76(4): 1–16. PDF

Boersma, J., J.A. Jones, E.D. Enbody, J.F. Welklin, S. Ketaloya, J. Karubian, and H. Schwabl. 2022. Male white-shouldered fairywrens (Malurus alboscapulatus) elevate androgens greater when courting females than during territorial challenges. Hormones and Behavior, 142: 105158. PDF

Lamperty, T., J. Karubian, and A.E. Dunham. 2021. Ecological drivers of intraspecific variation in seed dispersal services of a common neotropical palm. Biotropica, 53: 1226–1237. PDF

Odom, K.J., K.E. Cain, M.L. Hall, N.E. Langmore, R.A. Mulder, S. Kleindorfer, J. Karubian, L. Brouwer, E.D. Enbody, J.A. Jones, J.L. Dowling, A.V. Leitão, E.I. Greig, C. Evans, A.E. Johnson, K.K.A. Meyers, M. Araya-Salas, and M.S. Webster. 2021. Sex role similarity and sexual selection predict male and female song elaboration and dimorphism in fairy-wrens. Ecology and Evolution, 11: 17901–17919. PDF

Jones, J.A., K.J. Odom, I.R. Hoppe, D. Nason, S. Ketaloya, and J. Karubian. 2021. Correlated evolution of distinct signals associated with increased social selection in female white-shouldered fairywrens. Ecology and Evolution, 11(23): 17352–17363. PDF

Welklin, J.F., S.M. Lantz, S. Khalil, N.M. Moody, J. Karubian, and M.S. Webster. Social and abiotic factors differentially affect plumage ornamentation of young and old males in an Australian songbird. Animal Behaviour, 182: 173–188. PDF

Diaz-Martin, Z. and J. Karubian. Forest cover at landscape scales increases male and female gametic diversity of palm seedlings. Molecular Ecology, 30(18): 4353–4367. PDF

Leberg, S.S., R. Barriga, H. Bart, A. Olivo, K. Narasimhan, and J. Karubian. Richness and abundance of stream fish communities in a fragmented neotropical landscape. Environmental Biology of Fishes, 104: 239–251. PDF

Anderson, H.L., A. Perkes, J.S. Gottfried, H.B. Davies, D.J. White, and M.F. Schmidt. 2021. Female signal jamming in a socially monogamous brood parasite. Animal Behaviour, 172: 155–169. PDF

Boersma, J.D., E.D. Enbody, J.A. Jones, D. Nason, E. Lopez-Contreras, J. Karubian, and J.H. Schwabl. 2020. Testosterone induces plumage ornamentation followed by enhanced territoriality in a female songbird. Behavioral Ecology, 31(5): 1233-1241. PDF

Khalil, S., J.F. Welkin, M.S. Webster, and J. Karubian. 2020. Testosterone regulates CYP2J19-linked carotenoid signal expression in male red-backed fairywrens (Malurus melanocephalus). Proceedings of the Royal Society B, 287(1935): 20201687. PDF

Cook, R., T. Ramirez-Parada, L. Browne, M. Ellis, and J. Karubian. 2020. Environmental correlates of richness, community composition, and functional traits of terrestrial birds and mammals in a fragmented tropical landscape. Landscape Ecology, 35: 2825-2841. PDF

Ramirez-Parada, T., D. Cabrera, Z. Diaz-Martin, L. Browne, and J. Karubian. 2020. Resource-related variables drive individual variation in flowering phenology and mediate population level flowering responses to climate in an asynchronously reproducing palm. Biotropica, 52: 845-856. PDF

Geary, B., P.L. Leberg, K.M. Purcell, S.T. Walter, and J. Karubian. 2020. Breeding brown pelicans improve foraging performance as energetic needs rise. Scientific Reports, 10(1): 1686. PDF

Lawrence, J.P., B. Rojas, A. Fouquet, J. Mappes, A. Blanchette, R.A. Saporito, R.J. Bosque, E.A. Courtois, and B.P. Noonan. 2019. Weak warning signals can persist in the absence of gene flow. Proceedings of the National Academy of Sciences, 116(38). PDF

Javůrková, V.G., E.D. Enbody, J. Kreisinger, K. Chmel, J. Mrázek, and J. Karubian. 2019. Plumage iridescence is associated with distinct feather microbiota in a tropical passerine. Scientific Reports, 9: 12921. PDF

Enbody, E.D., J. Boersma, J.A. Jones, M.W.H. Chatfield, S. Ketaloya, D. Nason, D.T. Baldassarre, J. Hazlehurst, O. Gowen, H. Schwabl, and J. Karubian. 2019. Social organisation and breeding biology of the White-shouldered Fairywren (Malurus alboscapulatus). Emu – Austral Ornithology, doi: 10.1080/01584197.2019.1595663. PDF

McClelland, S.T., R.D. Ribeiro, H.W. Mielke, M.E. Finkelstein, C.R. Gonzalez, J.A. Jones, J. Komdeur, E. Derryberry, E.B. Saltzberg, and J. Karubian. 2019. Sub-lethal exposure to lead is associated with heightened aggression in an urban songbird. Science of the Total Environment, 654: 593-603. PDF

Geary, B., S.T. Walter, P.L. Leberg, and J. Karubian. 2018. Condition-dependent foraging strategies in a coastal seabird: evidence that the rich get richer. Behavioral Ecology, 30: 356-363. PDF

Browne, L.. and J. Karubian. 2018. Rare genotype advantage promotes survival and genetic diversity of a tropical palm. New Phytologist, 218(4): 1658-1667. PDF

Browne, L.. and J. Karubian. 2018. Habitat loss and fragmentation reduce effective gene flow by disrupting seed dispersal in a neotropical palm. Molecular Ecology, 27: 3055-3069. PDF

Enbody, E.D., J. Boersma, H. Schwabl, H., and J. Karubian. 2018. Female ornamentation is associated with elevated aggression and testosterone in a tropical songbird. Behavioral Ecology, 29(5): 1056-1066. PDF

Browne, L., K. Ottewell, V.L. Sork, and J. Karubian. 2018. The relative contributions of seed and pollen dispersal to gene flow and genetic diversity in seedlings of a tropical palm. Molecular Ecology, 27: 3159-3173. PDF

Sommer, N.R., N.M. Moody, S.M. Lantz, M. Leu, J. Karubian, and J.P. Swaddle. 2018. Red-backed fairywrens adjust habitat use in response to dry season fires. Austral Ecology, 43: 876-889. PDF

Rivero de Aguilar, J., F. Castillo, A. Moreno, N. Peñafiel, L. Browne, S.T. Walter, J. Karubian, and E. Bonaccorso. 2018. Patterns of avian haemosporidian infections vary with time, but not habitat, in a fragmented Neotropical landscape. PLoS ONE, 13(10): e0206493. PDF

Mahoney, M.C., L. Browne, Z. Diaz-Martin, J. Olivo, J. Cabrera, M. Gonzalez, J. Hazlehurst, and J. Karubian. 2018. Fruit removal by large avian frugivores varies in relation to habitat quality in continuous neotropical rainforest. Ornitología Neotropical, 29: 247-254. PDF

Hazlehurst, J. and J. Karubian. 2018. Impacts of nectar robbing on the foraging ecology of a territorial hummingbird. Behavioural Processes, 149:27-34. PDF

Ottewell, K., L. Browne, D. Cabrera, J. Olivo, and J. Karubian. 2018. Genetic diversity of dispersed seeds is highly variable among leks of the long-wattled umbrellabird. Acta Oecologica, 86: 31-37. PDF

Tisdale, A.C.*, JA Jones*, K. Aldinger, M.H. Bakermans, J.L. Larkin, D.J. McNeil, C.G. Smalling, and L. Siefferman. Geography and age influence plumage ornamentation of male golden-winged warblers. 2018. Wilson Journal of Ornithology. *Authors contributed equally to this work. doi: https://doi.org/10.1676/16-198.1 PDF

Kramer, G.R., D.E. Andersen, D.A. Buehler, P.B. Wood, S.M. Peterson, J.A. Lehman, K.R. Aldinger, L.P. Bulluck, S. Harding, J.A. Jones, J. Loegering, D. Miles, C. Smalling, R. Vallender and H.M. Streby. 2018. Population trends in Vermivora warblers are linked to strong migratory connectivity. Proceedings of the National Academy of Sciences. PDF

Walter, S.T., L. Browne, J. Freile, N. González, M. Darkes, J. Loor, T. Gillespie, and J. Karubian. 2017. Nocturnal bird diversity in forest fragments in northwest Ecuador. Journal of Tropical Ecology, 33: 357-364. PDF

Walter, S.T., L. Browne, J. Freile, J. Olivo, M. Gonzalez, and J. Karubian. 2017. Surrounding tree cover predicts diversity of large-bodied frugivorous birds in forest fragments. Biotropica, 49: 838-847. PDF

Brouwer, L., M. van de Pol, N. H. Aranzamendi, G. Bain, D. T. Baldassarre, D. Colombelli-Négrel, E.D. Enbody, K. Gielow, M. L. Hall, A. E. Johnson, J. Karubian, S. A. Kingma, S. Kleindorfer, M. Louter, R.A. Mulder, A. Peters, S. Pruett-Jones, K. A. Tarvin, D.J. Thrasher, C.W. Varian-Ramos, M.S. Webster, A. Cockburn. 2017. Multiple hypotheses explain variation in extra-pair paternity at different levels in a highly variable avian family. Molecular Ecology, 26: 6717-6729. PDF

Geary B, S.M. Longest, K. Ottewell, S.M. Lantz, S.T. Walter, J. Karubian, and P.L. Leberg 2017. Genetic structure of brown pelicans (Pelecanus occidentalis) in the northern Gulf of Mexico in the context of human management and disturbance. PLoS ONE, 12(10): e0185309. PDF

Botsch, J.C, S.T. Walter, S.T., J. Karubian, N. González, E. Dobbs, and B.J. Brosi. 2017. Impacts of forest fragmentation on orchid bee diversity (Hymenoptera: Apidae: Euglossini) in the Chocó biodiversity hotspot of northwest Ecuador. Journal of Insect Conservation, 21: 633-643. PDF

Lantz, S.M. and J. Karubian. 2017. Environmental disturbance increases social connectivity in a tropical passerine bird. PLoS One 12(8): 0183144. PDF

Albers, A.N., J.A. Jones, and L. Siefferman. 2017. Behavioral differences among eastern bluebird populations may be a consequence of tree swallow presence: A pilot study. Frontiers in Ecology and Evolution, 5: 116. PDF

Enbody E.D., S.M. Lantz, and J. Karubian. 2017. Production of plumage ornaments among males and females of two closely related tropical passerine bird species. Ecology and Evolution, 7(11): 4024-4034. doi 10.1002/ece3.3000 PDF

Iverson, E.N.K., and J. Karubian. 2017. The role of bare parts in avian signaling. Auk, 134: doi 10.1642/AUK-16-136.1 PDF

Lantz, S.M., J. Boersma, H. Schwabl, and J. Karubian. 2017. Early-moulting red-backed fairywrens males acquire ornamented plumage in the absence of elevated androgens. Emu. doi 10.1080/01584197.2017.1297206 PDF

McNeil, D.J., K.R. Aldinger, M.H. Bakermans, J.A. Lehman, A.C. Tisdale, J.A. Jones, P.B. Wood, D.A. Buehler, C.G. Smalling, L. Siefferman, and J.L. Larkin. 2017. An evaluation and comparison of conservation guidelines for an at-risk migratory songbird. Global Ecology and Conservation, 9: 90-103. PDF

Jones, J.A., A.C. Tisdale, M.H. Bakermans, J.L. Larkin, C.G. Smalling, and L. Siefferman. 2017. Multiple plumage ornaments as signals of intrasexual communication in golden-winged warblers. Ethology, 123: 145-156. PDF

Hazlehurst, J.A., B. Tinoco, S. Cardenas, and J. Karubian. 2016. Pollination Ecology of Oreocallis grandiflora (Proteaceae) at the northern and southern ends of its geographic range. Journal of Pollination Ecology, 19: 71-80. PDF

Browne, L. and J. Karubian. 2016. Negative frequency-dependent selection for rare genotypes promotes genetic diversity of a tropical palm. Ecology Letters. 19: 1439-1447 PDF

Hazlehurst, J.A. and J. Karubian. 2016. Nectar robbing impacts pollinator behavior but not plant reproduction. Oikos. doi 10.1111/oik.03195. PDF

Browne, L. and J. Karubian. 2016. Diversity of palm communities at different spatial scales in a recently fragmented tropical landscape. Botanical Journal of the Linnean Society. 182: 451-464. PDF

Karubian, J., L. Browne, D. Cabrera, M. Chambers, and J. Olivo. 2016. Relative influence of relatedness, conspecific density, and microhabitat on seedling survival and growth of an animal-dispersed Neotropical palm, Oenocarpus bataua. Botanical Journal of the Linnean Society 182: 425-438. PDF

Lantz, S.M. and J. Karubian. 2016. Male red-backed fairywrens enhance a plumage-based signal via adventitious molt. Auk 133:338-346. PDF

Frumkin, N.B., T.W. Wey, M. Exnicios, C. Benham, M.G. Hinton, S. Lantz, C. Atherton, D. Forde, and J. Karubian. 2016. Inter-annual patterns of aggression and pair bonding in captive American flamingos(Phoenicopterus ruber). Zoo Biology 35: 111-119. PDF

Koczur, L. M., G. M. Kent, B. Geary, B. M. Ballard, K. D. Meyer and M. C. Green. 2015. Measurements of adult and hatch-year reddish egrets (Egretta rufescens). Waterbirds 38:308-311. PDF

Geary, B., C. Green, and B.M. Ballard. 2015. Movements and survival of juvenile reddish egrets Egretta rufescens on the Gulf of Mexico coast. Endangered Species Research 28:123-133. PDF

Karubian, J., K. Otwell, A.Link, and A. DiFiori. 2015. Genetic consequences of seed dispersal to sleeping trees by spider monkeys. Acta oecologica 68:50-58. PDF

Browne, L., M. Gonzalez, and J. Karubian. 2015. Biodiversity in forest fragments of the Mache-Chindul Reserve. Quito, Ecuador. PDF

Browne, L., K. Ottewell, and J. Karubian. 2015. Short-term genetic consequences of habitat loss and fragmentation for the neotropical palm Oenocarpus bataua. Heredity. doi: 10.1038/hdy.2015.35. PDF

Durães Ribeiro, R., J. E. McCormack, H. G. Álvarez, L. Carrasco, G. F. Grether, P. Mena-Olmedo, R. Sedano, T. B. Smith, and J. Karubian. 2015. Loss of sexual dimorphism is associated with loss of lekking behavior in the green manakin Xenopipo holochora. Journal of Avian Biology 46:307-314. PDF

A. Rose, S. Lantz, J. Swaddle, and J. Karubian. 2014. Habitat and Arthropod Relationships Supporting the Red-Backed Fairy-Wren in the Australian Tropical Savanna Dry Season. Tulane Undergraduate Research Journal – Volume 1. PDF

G. F. M. Jongsma, R. W. Hedley, R. Durães, and J. Karubian. 2014. Amphibian Diversity and Species Composition in Relation to Habitat Type and Alteration in the Mache–Chindul Reserve, Northwest Ecuador. Herpetologica 70(1):34-46. PDF

Walter, S. T., M. R. Carloss, T. J. Hess, and P. Leberg. 2014. Demographic trends of Brown Pelicans in Louisiana before and after the Deepwater Horizon oil spill. Journal of Field Ornithology 85:4 421-429. PDF

Diaz-Martin, Z., V. Swamy, J. Terborgh, P. Alvarez-Loayza, and F. Cornejo. 2014. Identifying keystone plant resources in an Amazonian forest using a long-trm fruit-fall record. Journal of Tropical Ecology 30:4 291-301. PDF

Baldassarre, D. T., T. A. White, J. Karubian,, and M. S. Webster. 2014. Genomic and morphological analysis of a semipermeable avian hybrid zone suggests asymmetrical introgression of a sexual signal. Evolution. doi: 10.1111/evo.12457. PDF

Walter, S.T., P. L. Leberg, J. J. Dindo, and J. Karubian. 2014. Factors influencing Brown Pelican (Pelecanus occidentalis) foraging movement patterns during the breeding season. Canadian Journal of Zoology 92:885-891. PDF

Karubian, J. and R. Durães. Impacts of mating behavior on plant-animal seed dispersal mutualisms: a case study from a Neotropical lek-breeding bird. In Sexual Selection: Insights from the Neotropics (eds. R. Macedo and G. Machado). Elsivier Press. Pp. 365-390. PDF

Carrasco, L., Berg, K. S., Litz, J., Cook, A. and J. Karubian. 2013. Avifauna of the Mache-Chindul Reserve, northwest Ecuador. Neotropical Ornithology 24: 331-324. PDF | Appendix

Walter, S.T., M.R. Carloss, T.J. Hess, G. Athrey, and P.L. Leberg. 2013. Brown Pelican movement patterns and population structure. Condor 115:788-799. PDF

Walter, S.T., M.R. Carloss, T.J. Hess, and P.L. Leberg. 2013. Hurricane, habitat degradation, and land loss effects on Brown Pelican nesting colonies. Journal of Coastal Research 29:187-195. PDF

Hazlehurst, J. and G. Londoño. 2012. Reproductive biology of the Yungas Manakin (Chiroxiphia boliviana) in Manu National Park, Peru. Ornitologia Neotropical 23: 597-601. PDF

Walter, S.T., M.R. Carloss, T.J. Hess, G. Athrey, and P.L. Leberg. 2013. Brown Pelican (Pelecanus occidentalis) colony initiation attempts: Translocations and decoys. Waterbirds 36:53-62. PDF

Karubian, J. 2013. Award for Excellence in Tropical Biology and Conservation. Biotropica 45(6) 772-773. PDF | Web

Durães, R., Carrasco, L., Smith, T. B., and J. Karubian. 2013. Relative effects of forest degradation versus fragmentation on avian communities in a Neotropical biodiversity hotspot. Biological Conservation 166: 203-211. PDF

Karubian, J. 2013. Female ornamentation in Malurus fairy-wrens: a hidden evolutionary gem for understanding female perspectives on social and sexual selection. Emu 113: 248-258. doi: 10.1071/MU12093 PDF

Kraul, C. 2013. Ecology in Action. Tulanian Magazine. PDF | Cover – News piece on work in Ecuador

Hinton, M.G., A. Bendelow, S. Lantz, T.W. Wey, L. Schoen, R. Brockett, and J. Karubian. 2013. Patterns of aggression among captive American Flamingos (Phoenicopterus ruber). Zoo Biology 32:445-453.  PDF

Baldassarre, D. T., H. A. Thomassen, J. Karubian, and M. S. Webster. 2013. The role of ecological variation in driving divergence of sexual and non-sexual traits in the red-backed fairy-wren (Malurus melanocephalus). BMC Evolutionary Biology 13: 75. doi: 10.1186/1471-2148-13-75. PDF

Scofield, D.G., P.E. Smouse, J. Karubian and V.L. Sork. 2012. Using alpha, beta, and gamma diversity to characterize seed dispersal by animals: social behavior matters. American Naturalist. PDF

Karubian, J., L. Browne, C. Bosque, T. Carlo, M. Galetti, B.A. Loiselle, J.G. Blake, D. Cabrera, R. Durães, F.M. Labecca, K.M. Holbrook, R. Holland, W. Jetz, F. Kummeth, J. Olivo, K. Ottewell, G. Papadakis, G. Rivas, S. Steiger, B. Voirin, and M. Wikelski. 2012. Seed dispersal by Neotropical birds: emerging patterns and underlying processes. Neotropical Ornithology. PDF

Ottewell, K., E. Grey, F. Castillo, and J. Karubian. 2012. Direct parentage analysis reveals non-leptokurtic pollen dispersal in the insect-pollinated tropical palm Oenocarpus bataua. Heredity. doi: 10.1038/hdy.2012.40  PDF | Commentary | Podcast

Mila, B., E.S. Tavares, A.M. Saldana, T.B. Smith, J. Karubian and A.J. Baker. 2012. A trans-Amazonian screening of mtDNA reveals deep intraspecific divergence in forest birds and suggests a vast underestimation of species diversity. PloS One 7: e40541. doi:10.1371/journal.pone.0040541 PDF

Varian-Ramos, C.W., W.R. Lindsay, J. Karubian, and M.S. Webster. 2012. Female red-backed fairy-wrens do not appear to pay a price for high rates of sexual promiscuity. Auk. 129: 529-536. PDF  *Editor’s pick: July issue of Auk

Karubian, J., R. Durães, J. Storey, and T.B. Smith. 2012. Mating behavior drives seed dispersal in the long-wattled umbrellabird Cephalopterus penduliger. Biotropica 44: 689-698. PDF *Recipient: 2013 Award for Excellence in Tropical Biology & Conservation

Karubian, J., W.R. Lindsay, H. Schwabl, and M.S. Webster. 2011. Bill coloration, a flexible signal in a tropical passerine bird, is regulated by social environment and androgens. Animal Behaviour 81: 795-800. PDF

Karubian, J., L. Carrasco, P. Mena, J. Olivo, D. Cabrera, F. Castillo, R. Durães, and N. El Ksabi. 2011. Nesting biology, home range, and habitat use of the brown wood-rail (Aramides wolfi) in northwest Ecuador. Wilson Journal of Ornithology 123: 137-141. PDF

Karubian, J. 2011. The Long-wattled Umbrellabid: the feathered gardeners of the Choco. Terra Incognita 72: 8-18. (July 2011) PDF

Karubian, J., V.L. Sork, T. Roorda, R. Durães, and T.B. Smith. 2010. Destination-based dispersal by the long-wattled umbrellabird Cephalopterus penduliger homogenizes genetic structure of a tropical palm. Molecular Ecology 19: 1745-1753. PDF | Cover Page

Webster, M.S, J. Karubian, and H. Schwabl. 2010. Dealing with uncertainty: flexible reproductive strategies by a tropical passerine bird in an unstable ecological and social environment. Advances in The Study of Behavior 42: 123-153. PDF

Varian-Ramos, C.W., J. Karubian, V. Talbott, I. Tapia, and M.S. Webster. 2010. Offspring sex ratios reflect lack of repayment by auxiliary males in a cooperatively breeding passerine. Behavioral Ecology and Sociobiology 64: 967-977. PDF

Karubian, J. 2010. Pompadours in the palms. Natural History Magazine. 119: 28-32. (February 2010) PDF

Karubian, J. 2009. The secret life of the Long-wattled Umbrellabird. El Commercio Newspaper, Ecuador (May 10, 2009) PDF

Karubian, J., J.P. Swaddle, C.W. Varian, and M.S. Webster. 2009. The relative importance of male tail length and nuptial plumage on social dominance and mate choice in the red-backed fairy-wren: evidence for the multiple receiver hypothesis. Journal of Avian Biology. Journal of Avian Biology. 40: 559-568. PDF

Karubian, J. and R. Durães. 2009. Effects of seed disperser social behavior on patterns of seed movement and deposition Oecologia Brasiliensis 13(1): 45-57. PDF

Karubian, J., T.S. Sillett, and M.S. Webster. 2008. The effects of plumage color on aggression and survival in male red-backed fairy-wrens. Behavioral Ecology 19(3): 507-516. PDF

Karubian, J. 2008. Changes in breeding status are associated with rapid bill darkening in male red-backed fairy-wrens Malurus melanocephalus. Journal of Avian Biology 39(1):81-86. PDF

Macedo R.H., J. Karubian, and M.S. Webster. 2008. Extra-pair paternity and sexual selection in socially monogamous birds: are tropical birds different? Auk. 125(4):769-777. PDF

Webster, M.S., C.W. Varian, and J. Karubian. 2008. Plumage color and reproduction in the red-backed fairy-wren: Why be a dull breeder? Behavioral Ecology 19(3): 517-524. PDF

Karubian, J. and L. Carrasco. 2008. Home range and habitat preferences of the Banded Ground-cuckoo Neomorphus radiolosus. Wilson Journal of Ornithology 120:205-209. PDF

Tori, W.P., R. Durães, T.B. Ryder, M. Anciães, J. Karubian, R.H. Macedo, J.A.C. Uy, P.G. Parker, T.B. Smith, A.C. Stein, M.S. Webster, J.G. Blake, and B.A. Loiselle. 2008. Advances in sexual selection theory: insights from tropical avifauna. Neotropical Ornithology 19:151-163. PDF

Carrasco, L., A. Cook, and J. Karubian. 2008. Range extensions for eight species of bird in the Mache-Chindul mountains, Ecuador. Cotinga 29:72-76. PDF

Karubian, J., L. Carrasco, D. Cabrera, A. Cook, and J. Olivo. 2007. Nesting biology of the banded-ground cuckoo. Wilson Journal of Ornithology 119(2):222-228. PDF

Karubian, J., J. Fabarra, D. Yunes, J. Jorgenson, D. Romo, and T.B. Smith. 2005. Temporal and spatial patterns of macaw abundance in the Ecuadorian Amazon. Condor 107(3):617-626. PDF

Karubian, J., G. Casteneda, J.F. Freile, T. Santander, and T.B. Smith. 2003. Breeding biology and nesting behavior of the long-wattled umbrellabird Cephalopterus penduliger in northwestern Ecuador. Bird Conservation International 13:351-360. PDF

Karubian, J. and A. Alvarado. 2003. Testing the function of petal displays in the red-backed fairy-wren. Emu 103:87-92. PDF

Karubian, J. 2002. Costs and benefits of variable breeding plumage in the red-backed fairy-wren. Evolution 56(8): 1673-1682. PDF

Karubian, J. and J.P. Swaddle. 2001. Selection on females can lead to ‘larger males’. Proceedings of the Royal Society of London (B) 268:725-728. PDF

Karubian, J. 2001. Social organization and mating system of the Striated Grasswren. Condor 103:412-418. PDF

Swaddle, J.P., J. Karubian, and S. Pruett-Jones. 2000. A novel pattern of reversed sexual dimorphism in fairy-wrens: implications for sexual selection. Behavioral Ecology 11:345-349. PDF

Wetterer, J.K., A.L. Wetterer, C. Rumbaitis-del Rio, C. Chang, G. Vega, L. Manne, J. Aukema, J. Karubian, A. Sloan, & M. Desai. 2000. Diet shifts in tree-hopper tending by wasps and ants in Costa Rica. Sociobiology 36:123-131. PDF

Hall, L.S. and J. Karubian. 1996. Breeding behavior of the elegant trogon in southeast Arizona. Auk 113:143-150. PDF