northern harrier

12 VG call(s) circling above nest, 20 ft, 3 FG call(s) circling above nest, 80 ft

Bibliographic Details
Other Authors: Bildstein, Keith L
Format: Audio
Language:unknown
Published: Borror Laboratory of Bioacoustics 1974
Subjects:
northern harrier
Circus cyaneus
Bancroft
Online Access:http://hdl.handle.net/2374.OX/34121
Description
Summary:12 VG call(s) circling above nest, 20 ft, 3 FG call(s) circling above nest, 80 ft

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