Photographic studies of some less familiar birds: XCLX. Alpine Swift
01 July 1959
Main paper
T H E ALPINE S W I F T (Apus melba) is paler and considerably larger than its more wide-spread cousin, the Common Swift [A. apus). It is brown instead of black, and has a white belly separated from a white throat by a brown breast-band (plate 38 upper). O...
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