Heightened heart rate but similar flight responses to evolved versus recent predators in an Arctic seabird

• Published in: Avian Conservation and Ecology
• Main Authors: Geldart, Erica A., Love, Oliver P., Gilchrist, H. Grant, Barnas, Andrew F., Harris, Christopher M., Semeniuk, Christina A.D.
• Format: Text
• Language: unknown
• Published: Scholarship at UWindsor 2023
• Subjects: antipredator behavior; arctic fox; arctic nesting seabird; Common Eider; heart rate response; polar bear; predation threat; Biochemistry; Biophysics; and Structural Biology; Biodiversity; Biology; Life Sciences; Marine Biology; Arctic; Nunavut; Canada; East Bay; Arctic Fox; Sea ice; Somateria mollissima; Ursus maritimus; Vulpes lagopus
• Online Access: https://scholar.uwindsor.ca/glierpub/643; https://doi.org/10.5751/ACE-02445-180122; https://scholar.uwindsor.ca/context/glierpub/article/1645/viewcontent/ACE_ECO_2023_2445.pdf

Predator-prey dynamics in the Arctic are being altered with changing sea ice phenology. The increasing frequency of predation on colonial nesting seabirds and their eggs by the polar bear (Ursus maritimus) is a consequence of bears shifting to terrestrial food resources through a shortened seal-hunt...