21. Mason, M. W., Greig, E. I., Boersma, J.. (2025). Climate and landscape modification facilitate range expansion in Spinus psaltria (Lesser Goldfinch) across the Pacific Northwest. Ornithology: ukaf013.
20. Boersma, J.*, Gregg, J. J.*, Nason, D., Malesa, E., Le Breton, C., Ketaloya, S., Iova, B., Mittermeier, J. C. (2025).An ornithological survey of Fergusson Island, D'Entrecasteaux Archipelago, Papua New Guinea: new island records and noteworthy natural history observations. Bulletin of the British Ornithologists’ Club 145(1): 4-23.
19. Resendiz, E., Ditzel, P. C., Kessler, W. P., Buckley, E. R., Huff, C. E., Poje, C., Lamb, J. B., Kennerley, J. A., Coleman, J. T., Boersma, J. Webster, M. S., Feeney, W. E. A photographic guide for determining egg incubation stage in the superb Fairy-Wren Malurus cyaneus. Australian Field Ornithology 41: 150-154.
18. Hotaling, S., Boersma, J., Paprocki, N. A., Anderson, A., Whiles, L., Ogburn, L., Kasper, S., White, C., Thornton, D. H., Wimberger, P. (2024). Human and wildlife use of mountain glacier habitat in western North America. Northwest Science(1-2): 42-51.
17. Boersma, J*, Thrasher, D. J.*, Welklin, J. F., Baldassarre, D. T., Webster, M. S. Plural breeding among unrelated females and other insights on complex social structure in the cooperatively breeding Variegated Fairywren. Emu - Austral Ornithology 1-12.
16. Boersma, J., Enbody, E. D., Ketaloya, S., Watts, H. E., Karubian, J., Schwabl, H. (2023). Does capacity to produce androgens underlie variation in female ornamentation and territoriality in White-shouldered Fairywren (Malurus alboscapulatus)? Hormones and Behavior 154: 105393.
15. Brooks, W. E., Boersma, J., Paprocki, N., Wimberger, P., Hotaling, S. (2023). Community science for enigmatic ecosystems: Using eBird to assess avian biodiversity on glaciers and snowfields. Journal of Field Ornithology: 94(1): 6.
14. Boersma, J., McQueen, A., Peters, A., Welklin, J.F., Quispe, R., Goymann, W., & Schwabl, H. (2023). Unexpected long-term retention of subcutaneous beeswax implants and additional notes on dose and composition from four testosterone implant studies. General and Comparative Endocrinology 330: 114124.
13. Boersma, J., Enbody, E. D., Karubian, J., Watts, H. E., & Schwabl, H. (2022). Drought disrupts year-round breeding readiness in a tropical songbird. Avian Conservation and Ecology 17(2): 44.
12. Jones, J.A, Boersma, J., Karubian, J. (2022). Female aggression toward same sex rivals depends on context in a tropical songbird. Behavioural Processes 202, 104735.
11. Enbody, E. D, Sin, S. Y. W., Boersma, J., Edwards, S. V., Schwabl, H., Webster, M. S., & Karubian, J. (2022). Evolutionary history and mechanisms of production suggest selection for female ornamentation in a tropical songbird. Evolution 76(8): 1720-1736.
10. Jones, J. A., Boersma, J., Liu, J., Nason, D., Ketaloya, S., & Karubian, J. (2022). Female ornamentation does not predict aggression in a tropical songbird. Behavioral Ecology and Sociobiology 76(4): 1-16.
9. Boersma, J., Jones, J. A., Enbody, E. D., Welklin, J. F., Nason, D., Ketaloya, S., Karubian, J., & Schwabl, H. (2022). Male White-shouldered Fairywrens (Malurus alboscapulatus) elevate androgens greater when courting females than during territorial challenges. Hormones and Behavior 142: 105158.
8. Boersma, J., Barron, D. G., Baldassarre, D. T., Webster, M. S., Schwabl, H. (2021). Wildfire affects expression of male sexual plumage through suppressed testosterone circulation in a tropical songbird. Journal of Avian Biology 52(9).
7. Gregg, J. J., Nason, D., & Boersma, J. (2020). Survey of the montane avifauna of Fergusson Island, Milne Bay Province, Papua New Guinea. The Bulletin of the British Ornithologists’ Club 140(3): 309-320.
6. Khalil, S., Welklin, J. F., McGraw, K. J., Boersma, J., Schwabl, H, & Karubian, J.K. (2020). Testosterone regulates CYP2J19-linked carotenoid signal expression in male red-backed fairywrens (Malurus melanocephalus). Proceedings of the Royal Society B 287: 20201687.
5. Boersma, J., Jones, J. A., Enbody, E. D., Nason, D., Lopez-Contreras, E., Karubian, J., & Schwabl, H. (2020). Testosterone induces an ornament followed by enhanced territoriality in a tropical songbird. Behavioral Ecology 31(5), 1233-1241.
4. Mitchell, A. E., Boersma, J., Anthony, A., Kitayama, K., & Martin, T. E. (2020). Experimental amelioration of harsh weather speeds growth and development in a tropical montane songbird. The American Naturalist 196(4): E110-E118.
3. Enbody, E. D., Boersma, J., Jones, J. A., Chatfield, M. W. H., Ketaloya, S., Baldassarre, D.T., Hazelhurst, J., Gowen, O., Schwabl, H., & Karubian, J. (2019). Social organization and breeding biology of the White-shouldered Fairywren Malurus alboscapulatus. Emu - Austral Ornithology 119(3), 274-285.
2. Enbody, E. D., Boersma, J., Schwabl, H., & Karubian, J. (2018). Female ornamentation is associated with increased aggression and circulating androgens in a tropical passerine bird. Behavioral Ecology 29(5), 1056-1066.
1. Lantz, S. M., Boersma, J., Schwabl, H., & Karubian, J. (2017). Early moulting red-backed fairywren males acquire ornamented plumage in the absence of elevated androgens. Emu - Austral Ornithology 117(2), 170-180.
*= co-first authors