Short‑term mercury exposure disrupts muscular and hepatic lipid metabolism in a migrant songbird

Authors: Chad L. Seewagen, Cory R. Elowe, Alexander R. Gerson, Derrick J. E. Groom, Yanju Ma, Mustafa Yildirim, & Christopher G. Guglielmo Year: 2022 Publication: Scientific Reports: Publication Link: https://doi.org/10.1038/s41598-022-15680-y Abstract: Methylmercury (MeHg) is a global pollutant that can cause metabolic disruptions

Insights on post-breeding movements from a northeastern population of Canada Warblers (Cardellina canadensis)

Authors: Camille Bégin-Marchand, François Gagnon, Bruno Drolet, Jacques Ibarzabal, and Junior A. Tremblay Year: 2022 Publication: Avian Conservation & Ecology Publication Link: https://www.ace-eco.org/vol17/iss1/art4/ Keywords: migration routes; Motus; neotropical migrants; radio-telemetry; residence time Abstract: The study of migratory songbird transition periods, such as the post-breeding period, is

Dramatic Declines of Evening Grosbeak Numbers at a Spring Migration Stop-Over Site

Authors: W. Douglas Robinson, Jessica Greer, Juliana Masseloux, Tyler A. Hallman, and Jenna R. Curtis Year: 2022 Publication: Diversity Publication Link: https://www.mdpi.com/1424-2818/14/6/496 Keywords: biodiversity benchmarks; Coccothraustes vespertinus; Evening Grosbeak; American elm; Dutch elm disease; migratory stopover; bird population decline; snapshot surveys; spruce

Gone with the wind: inferring bird migration with light-level 2 geolocation, wind and activity measurements

Authors: Mike Werfeli, Peter Ranacher, and Felix Liechti Year: 2022 Publication: Methods in Ecology and Evolution Publication Link: Keywords: bird migration, migration route inference, Bayesian inference, light-level geolocation, 32 activity measurements, wind measurements, air pressure measurements, GIS Abstract: To investigate the complex

Head direction cells in a migratory bird prefer north

Authors: Susumu Takahashi, Takumi Hombe, Sakiko Matsumoto, Kaoru Ide, and Ken Yoda Year: 2022 Publication: Science Advances Publication Link: https://www.science.org/doi/10.1126/sciadv.abl6848 Abstract: Animals exhibit remarkable navigation abilities as if they have an internal compass. Head direction (HD) cells encoding the animal’s heading azimuth

Arctic terns from circumpolar breeding colonies share common migratory routes

Authors: Wong et al. Year: 2021 Publication: Marine Ecology Progress Series Publication Link: https://doi.org/10.3354/meps13779 Keywords: Arctic tern · Migration · Timing · Geolocators · North America Abstract: The Arctic tern is an iconic seabird, famous for its annual migrations between the Arctic

Advancement in long-distance bird migration through individual plasticity in departure

Authors: Jesse R. Conklin et al. Year: 2021 Publication: Nature Communications Publication Link: https://doi.org/10.1038/s41467-021-25022-7 Abstract`Globally, bird migration is occurring earlier in the year, consistent with climate-related changes in breeding resources. Although often attributed to phenotypic plasticity, there is no clear demonstration of

Bird strandings and bright lights at coastal and offshore industrial sites in Atlantic Canada

Authors: Carina Gjerdrum et al Year: 2021 Publication: Avian Ecology and Conservation Publication Link: https://doi.org/10.5751/ACE-01860-160122 Keywords: Atlantic Canada; groundings; Leach’s Storm-Petrel; light attraction; marine birds; radiance; stranded birds Abstract: Artificial lights can disorient birds and lead to injury or death. In Atlantic

Rapid recovery by fat- and muscle-depleted Blackpoll Warblers following trans-oceanic migration is driven by time-minimization

Author: Bayly et al. Publication: Ornithology Publication Link: https://doi.org/10.1093/ornithology/ukab055 Keywords: Colombia, endurance flights, fuel deposition rate, La Guajira, optimal migration theory, physiology, Setophaga striata, stopover duration Abstract: Nonstop endurance flights are a defining characteristic of many long-distance migratory birds, but subsequent recovery