Steller’s jays assess and communicate about predator risk using detection cues and identity

Alexis C. Billings, Erick Greene and Dylan MacArthur-Waltzb

Behavioral Ecology, 2017, vol. 28, issue 3, 776-783

Abstract: Lay Summary Not all predators are created equal. Here we show that Steller’s jays assess the level of risk a predator poses by the interaction between 4 different predator species and whether they heard or saw the predators. Sharp-shinned hawks are threatening regardless of being seen or heard where northern goshawks are more threatening if seen than heard. Furthermore, Steller’s jays alter their alarm calls in subtle ways in response to these differences.

Keywords: alarm calls; antipredator behavior; communication; mobbing; predator cues; Steller’s jay. (search for similar items in EconPapers)
Date: 2017
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