Birds and Nature Vol. 11 No. 4 [April 1902]. VariousЧитать онлайн книгу.
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I ever saw. There are few birds that carry more rubbish into the nest than the Burrowing Owls, and even the vultures are not more filthy.” In this nest Dr. Canfield found scraps of dead animals, both of mammals, snakes and insects.
Major Bendire believes that when these Owls are once mated they are paired for life. He also likens their love-note, which is heard about sundown, to the call of the English cuckoo. He says that it is “a mellow, sonorous and far-reaching ‘coo-c-oo,’ the last syllables somewhat drawn out, and this concert is kept up for an hour or more. These notes are only uttered when the bird is at rest, sitting on the little hillock surrounding the burrow. While flying about a chattering sort of note is used and when alarmed a short shrill ‘tzip-tzip.’ When wounded and enraged it utters a shrill scream and snaps its mandibles rapidly together, making a sort of rattling noise, throws itself on its back, ruffles its feathers and strikes out vigorously with its talons, and with which it can inflict quite a severe wound.”
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