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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 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]
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 ]
In the three jaeger species (all Holarctic), breeding adults have the two central tail feathers obviously elongated and at least some adults have white on the underparts and pale yellow on the neck, characteristics that the larger species do not share. Pomarine jaeger, Stercorarius pomarinus (C) Parasitic jaeger, Stercorarius parasiticus
The blue grosbeak (P. caerulea) was once placed in the monotypic genus, Guiraca. ... Genus – seven species Common name Scientific name and subspecies Range
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.
Genus Cyanoloxia – Bonaparte, 1850 – four species Common name Scientific name and subspecies Range Size and ecology IUCN status and estimated population Glaucous-blue grosbeak. Male Female Cyanoloxia glaucocaerulea (D'Orbigny & Lafresnaye, 1837) Argentina, Brazil, and Uruguay. Size: Habitat: Diet: LC Ultramarine grosbeak. Male Female
The Amazonian grosbeak is 14.5 to 15 cm (5.7 to 5.9 in) long and weighs 21.5 to 31 g (0.76 to 1.09 oz). The adult male is mostly dark blue. Its forecrown and part of the wings are light blue and the underparts are blackish on the belly. It has a bit of black on the face. The female's upperparts are dark brown and the underparts a paler brown.