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Possible Specialization for Hummingbird-Hunting in the Tiny Hawk

F. Gary Stiles
The Auk
Vol. 95, No. 3 (Jul., 1978), pp. 550-553
Stable URL: http://www.jstor.org/stable/4085157
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Possible Specialization for Hummingbird-Hunting in the Tiny Hawk
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Abstract

This paper describes the hunting tactics of the Tiny Hawk, Accipiter superciliosus fontanieri, in a Costa Rican rain forest, where it appears to be a hummingbird specialist. Three tactics were used by the hawks to hunt hummingbirds: typical Accipiter still-hunting (probably not specifically for hummingbirds), waiting in ambush by a hummingbird's regular territorial perch, and flying rapidly between the perches of several territorial hummingbirds. Relative use of the latter two tactics may reflect the local density of territorial hummingbirds.

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