Bernd Heinrich’s new book “White Feathers” — a review
10,000 Birds
FEBRUARY 6, 2020
There’s a remarkably similar photo, of the nest of a west coast swallow, the Violet-green, in this July 2014 post (the third one down.)). Or maybe he means that a strange female has mated with the main couple’s male (swallows are frequent copulators – fifty times per clutch – and promiscuous, too).
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