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

• Main Authors: Erica A. Geldart, Oliver P. Love, H Grant. Gilchrist, Andrew F. Barnas, Christopher M. Harris, Christina A.D. Semeniuk
• Format: Article in Journal/Newspaper
• Language: English
• Published: Resilience Alliance 2023
• Subjects: antipredator behavior; arctic fox; arctic nesting seabird; common eider; heart rate response; polar bear; predation threat; Ecology; QH540-549.5; Arctic; Canada; East Bay; Nunavut; Arctic Fox; Common Eider; Sea ice; Somateria mollissima; Ursus maritimus; Vulpes lagopus
• Online Access: https://doaj.org/article/60120ebda63a45a2863814fce71ee35e

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...