White-rumped Swallow
In Argentina, Bolivia, Brazil,
Paraguay, Peru, and Uruguay.
Tachycineta leucorrhoa
(L 5.25")
Intervales State Park
10Oct2017
White supraloral streak
differentiates it from
the Chilean swallow.
Tachycineta in Greek means
fast moving; leucorhoa in
Greek means
white rump.
Juan I Areta
Macaulay
Library
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