South American Migrant Swallows of the Genus Progne in Panama and Northern South America: with Comments on Their Identification and Molt

Authors
E. Eisenmann
Journal
Auk
Volume
76
Issue
4 (October-December)
Year
1959
Pages
528-532
Section
General Notes
File attachments
p0528-p0532.pdf (340.81 KB)

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