Anti-Predator Responses of Sharp-Shinned Hawks
Journal
Raptor Research
Volume
16
Issue
2 (Summer)
Year
1982
Pages
33-36
Section
Scientific Papers
Online Text
ABSTRACT
Migrating Sharp-shinned Hawks (Accipiter striatus) aggressively approached a Great Horned Owl (Bubo virginianus) model. Components of the approach included a silent flight devoid of wing motion, vocalizations, use of tarsi, multiple approaches and avoidance of the front of the model. These components were manifested in different combinations and frequencies. It is suggested that the function of attacking by this species is to drive off a larger predator and that predation upon this species by other raptors is probably more common than reported in the literature.
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