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The male blue grosbeak is deep blue, with both black and brown on its wings. The female is mostly brown. Both sexes are distinguished by their large, deep bill and double wing bars. These features, as well as the grosbeak's relatively larger size, distinguish this species from the indigo bunting. Length can range from 14 to 19 cm (5.5 to 7.5 in ...
The glaucous-blue grosbeak is approximately 14 cm (5.5 in) long. Three birds weighed from 16 to 19.5 g (0.56 to 0.69 oz). The male is generally dark sky blue that is lighter on the forehead and rump and is grayish on the lower belly. It has a small black "mask". The female is brown overall, warm and dark above and orange-tinged below.
The crimson-collared grosbeak, Rhodothraupis celaeno, a restricted-range endemic found only in eastern Mexico; Ultramarine grosbeak (Cyanocompsa brissonii) Blue cardinal-grosbeaks. Two species in the Neotropical genus Cyanocompsa which also contains the blue bunting (C. parellina): Ultramarine grosbeak, C. brissonii; Blue-black grosbeak, C ...
The genus Passerina is a group of birds in the cardinal family (Cardinalidae).Although not directly related to buntings in the family Emberizidae, they are sometimes known as the North American buntings (the North American Emberizidae are colloquially called "sparrows" although they are also not closely related to these birds).
Rose-breasted grosbeak, Pheucticus ludovicianus; Black-headed grosbeak, Pheucticus melanocephalus (C) Blue grosbeak, Passerina caerulea; Lazuli bunting, Passerina amoena (C) Indigo bunting, Passerina cyanea; Painted bunting, Passerina ciris (C) Dickcissel, Spiza americana
Close-up view of the plumage on a house sparrow The differences in plumage of a blue grosbeak, from top to bottom, between a breeding male (alternate plumage), a non-breeding male (basic plumage), a female, and the related indigo bunting
Glaucous-blue grosbeak. Male Female Cyanoloxia glaucocaerulea (D'Orbigny & Lafresnaye, 1837) Argentina, Brazil, and Uruguay. Size: Habitat: Diet: LC Ultramarine grosbeak. Male Female Cyanoloxia brissonii (Lichtenstein, MHC, 1823) Northeast and central Brazil, Bolivia, Paraguay to Argentina: Size: Habitat: Diet: LC Amazonian grosbeak. Cyanoloxia ...
Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight.Birds have a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems capable of very high metabolic rates and oxygen supply, permit the bird to fly.