...In some cases the cuckoos are so like their hosts that it is difficult to tell one from the other, in others they are so unlike that it is difficult to trace any resemblance between them...
Edward Saunders 「Wild Bees, Wasps and Ants」
...The cuckoos are elegant in shape, almost devoid of hairs, and most of them are striped with yellow or brown across the body so that they present a wasp-like appearance (, 18)...
Edward Saunders 「Wild Bees, Wasps and Ants」
...Unlike as these cuckoos are to their hosts in their brilliant metallic coloration, etc...
Edward Saunders 「Wild Bees, Wasps and Ants」
... Most of the leaf-cutters have their attendant cuckoos, which are rather smaller than themselves, of a deep black with white bands on the sides of the body...
Edward Saunders 「Wild Bees, Wasps and Ants」
...
Two baby cuckoos on the rickety bundle of sticks that bycourtesy we call a nest...
Neltje Blanchan 「Birds Every Child Should Know」
...
Two baby cuckoos on the rickety bundle of sticks that bycourtesy we call a nest...
Neltje Blanchan 「Birds Every Child Should Know」
...The Cuckoos are a group of world-wide distribution, but are morenumerous in the eastern than in the western hemisphere where onlythirty-five of the some one hundred and seventy-five species are found...
Frank M. Chapman 「Color Key to North American Birds」
...,Parrots, Cuckoos, Trogons, Kingfishers, Woodpeckers, Goatsuckers, Swifts,Hummingbirds, Cotingas, Flycatchers, Larks, Crows and Jays, Blackbirds andOrioles...
Frank M. Chapman 「Color Key to North American Birds」
...The most notable performers are the cuckoos...
Douglas Dewar 「A Bird Calendar for Northern India」
...Scarcely less vociferous than the cuckoos are the owls...
Douglas Dewar 「A Bird Calendar for Northern India」
...The robins are at enmity with the jays andthe crow blackbirds and the cuckoos in the spring,and the reason is, these birds eat the robins' eggs...
John Burroughs 「Ways of Nature」
...Two other well-authenticated cases have cometo my knowledge of robins killing cuckoos (theblack-billed) in May...
John Burroughs 「Ways of Nature」
...Two cuckoos and one hedge-sparrowwere hatched in the same nest, and one hedge-sparrow'segg remained unhatched...
Various 「Natural History in Anecdote」
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