Boersma Lab

Field updates: Argentina, April 2023

Photo credit: Eric Wagner Thanks to the generous support of Zoo Augsburg in Germany, Dr. Ginger Rebstock and Dr. Eric Wagner were able to return to Punta Tombo for a couple of weeks in April. There, they put twenty satellite tags on penguins—ten females and ten males—that were about to start their post-breeding migration. From last year’s tagging effort, we […]

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Chasing inter-species communication: what marine mammals are telling us about our oceans

Authors: Sue E MooreJournal: ICES Journal of Marine ScienceDOI: 0.1093/icesjms/fsad030 I describe my path through a series of opportunities that provided stepping stones from childhood years in the landlocked US Midwest to a 45-year-long career focused on cetacean behaviour and ecology…

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Divergent foraging strategies between populations of sympatric matrilineal killer whales

Authors: Jennifer B Tennessen, Marla M Holt, Brianna M Wright, M Bradley Hanson, Candice K Emmons, Deborah A Giles, Jeffrey T Hogan, Sheila J Thornton, Volker B DeeckeJournal: Behavioral EcologyDOI: 10.1093/beheco/arad002Coverage: The Seattle Times, Skagit Valley Herald, Seattle King 5 News, KUOW Public Radio, Oregon Public Broadcasting’s “Think Out Loud”, Victoria Times Colonist, North Shore News

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Photo credit: Scott Pearson of WDFW

Resilience to a severe marine heatwave at two Pacific seabird colonies

Authors: Eric L. Wagner, Scott F. Pearson, Thomas P. Good, Peter J. Hodum, Eric R. Buhle, Michael B. SchrimpfJournal: Marine Ecology Progress SeriesDOI: https://doi.org/10.3354/meps14222 A severe marine heat wave (MHW) persisted in the California Current ecosystem from 2014 through 2016… Photo credit: Scott Pearson of WDFW

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Climate presses and pulses mediate the decline of a migratory predator

Authors: T. J. Clark-Wolf, P. Dee Boersma, Ginger A. Rebstock, and Briana AbrahmsJournal: Proceedings of the National Academy of SciencesDOI: 10.1073/pnas.2209821120 Long-term climate changes and extreme climate events differentially impact animal populations, yet whether and why these processes may act synergistically or antagonistically remains unknown…

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Should I stay or should I go: factors influencing mate retention and divorce in a colonial seabird

Authors: Eric L. Wagner, Caroline D. Cappello, P. Dee BoersmaJournal: Animal BehaviourDOI: 10.1016/j.anbehav.2022.08.002 Divorce among serially monogamous birds can lead to increased reproductive success if an individual obtains a higher-quality mate or nest site, or it can lead to lower reproductive success due to lack of pair experience or reduced breeding opportunities…

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