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The red-winged blackbird (Agelaius phoeniceus) is a passerine bird of the family Icteridae found in most of North America and much of Central America. It breeds from Alaska and Newfoundland south to Florida, the Gulf of Mexico, Mexico, and Guatemala, with isolated populations in western El Salvador, northwestern Honduras, and northwestern Costa Rica.
For example, the male great-tailed grackle is 60% heavier than the female. The smallest icterid species is the orchard oriole , in which the female averages 15 cm in length (6 in) and 18 g (0.040 lb) in weight, while the largest is the Amazonian oropendola , the male of which measures 52 cm (20 in) and weighs about 550 g (1.21 lb).
Red-winged blackbird: North and much of Central America Agelaius assimilis: Red-shouldered blackbird: Cuba Agelaius tricolor: Tricolored blackbird: Pacific coast of North America, from Northern California in the U.S. (with occasional strays into Oregon), to upper Baja California in Mexico. Agelaius humeralis: Tawny-shouldered blackbird
Male Female. The male unicolored blackbird is befitting of its name, with entirely glossy black plumage and dark eyes. However, the species exhibits sexual dimorphism; the female is streaked brown and black with a yellow belly streaked with brown. The face has a dark mask and the wings are reddish-brown edged with black.
The yellow-shouldered blackbird (Agelaius xanthomus), known in Puerto Rican Spanish as mariquita de Puerto Rico or capitán, is a species of blackbird endemic to Puerto Rico. It has black plumage with a prominent yellow patch on the wing. Adult males and females are of similar appearance. The species is predominantly insectivorous.
The common blackbird (Turdus merula) is a species of true thrush. It is also called the Eurasian blackbird (especially in North America, to distinguish it from the unrelated New World blackbirds), [2] or simply the blackbird where this does not lead to confusion with a similar-looking local species.
The adult male is mainly black with a yellow head and breast; they have a white wing patch sometimes only visible in flight. The adult female is mainly brown with a dull yellow throat and breast. Immature members of both sexes are brown with duller yellow plumage compared to adult males. Immature males also have some white patches on the wing. [4]
The red-shouldered blackbird closely resembles the more numerous and widespread red-winged blackbird (Agelaius phoeniceus), but in contrast to phoeniceus, assimilis males and females are closer in relative size, the female is all-black instead of brown-streaked, and paired birds are monogamous. Males are about 22 centimetres (8.7 in) in length ...