Conspecific nest attendance behaviour of Common Eider (Somateria mollissima) in response to Polar Bear (Ursus maritimus) foraging activity: error or intent?

• Published in: The Canadian Field-Naturalist
• Main Authors: Simone, Cassandra A.B., Geldart, Erica A., Semeniuk, Christina A.D., Love, Oliver P., Gilchrist, H. Grant, Barnas, Andrew F.
• Format: Text
• Language: unknown
• Published: Scholarship at UWindsor 2022
• Subjects: Common Eider; Conspecific nest attendance; distraction displays; drones; incubation behaviour; Polar Bear; Somateria mollissima; Ursus maritimus; Canada; East Bay; Hudson; Hudson Bay; Nunavut; Recess
• Online Access: https://scholar.uwindsor.ca/glierpub/649; https://doi.org/10.22621/cfn.v136i3.2807

Common Eider (Somateria mollissima) is a colonial nesting sea duck with extremely high nest attendance rates. Although individuals take few recess breaks away from their nest to feed or preen, previous research has shown that some female eiders in dense nesting assemblages engage in conspecific nest...