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Parent-Offspring Interactions in Zebra Finches
The Auk, 1978Abstract The begging behavior of immature Zebra Finches has both visual and acoustic components. Begging nestlings gape at their parents, exposing characteristic mouth markings and a moving tongue. They also emit begging calls. Both components undergo changes as the offspring mature, and there is a shift from the visual to acoustic ...
Muller, Robert E., Smith, Douglas G.
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Bill Color Preferences of Zebra Finches
Ethology, 1987AbstractBill color varies with age and sex in zebra finches. Among birds of similar age and condition, males' bills tend to be redder and darker than those of females, but there is overlap in the phenotypic expression of the sexes. The bills of young birds are paler and less red than those of older birds.
Nancy Burley, Carol B. Coopersmith
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Emu - Austral Ornithology, 1962
Melanism in two Zebra Finches is described. The association of melanism with natural dark markings, and possibly with latent plumage characteristics, is briefly discussed.
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Melanism in two Zebra Finches is described. The association of melanism with natural dark markings, and possibly with latent plumage characteristics, is briefly discussed.
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