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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 ...
Grosbeak / ˈ ɡ r oʊ s b iː k / is a form taxon containing various species of seed-eating passerine birds with large beaks. Although they all belong to the superfamily Passeroidea , these birds are not part of a natural group but rather a polyphyletic assemblage of distantly related songbirds . [ 1 ]
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 controversy stems from the uncertainty from authors whether the bird is an extinct species, a rare color-variant of the dickcissel, or a hybrid female dickcissel and male blue grosbeak. If the bird is indeed simply a dickcissel it lacks any of the known field characteristics seen in the species in all life stages and sexes. [18]
These birds go through two molts in a year; the males are generally less colorful in winter. They have short tails and short slim legs. They have smaller bills than other Cardinalidae; they mainly eat seeds in winter and insects in summer. The blue grosbeak (P. caerulea) was once placed in the monotypic genus, Guiraca.
The rose-breasted grosbeak (Pheucticus ludovicianus), colloquially called "cut-throat" due to its coloration, [2] [3] is a large, seed-eating grosbeak in the cardinal family (Cardinalidae). It is primarily a foliage gleaner. [ 4 ]
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 ...
The blue-black grosbeak construct little cup nests to lay their eggs in and normally have a clutch size of 2. [10] The breeding season of the blue-black grosbeak takes place during the spring and summer months, however the peak period of the breeding season differs slightly between populations located in different areas.