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The family Estrildidae was introduced in 1850 by the French naturalist Charles Lucien Bonaparte as "Estreldinae", a spelling variant of the subfamily name. [2] [3] In the list of world birds maintained by Frank Gill, Pamela Rasmussen and David Donsker on behalf of the International Ornithological Committee (IOC) the family contains 140 species divided into 41 genera. [4]
The average European goldfinch is 12–13 cm (4.7–5.1 in) long with a wingspan of 21–25 cm (8.3–9.8 in) and a weight of 14 to 19 g (0.49 to 0.67 oz). The sexes are broadly similar, with a red face, black and white head, warm brown upper parts, white underparts with buff flanks and breast patches, and black and yellow wings.
The adults are colored black from the head to the throat and breast, and from the belly to undertail coverts and thighs. Between the breast and belly and on its flanks, it’s colored white. The upper part of the body is a warm chestnut. Flight feathers are dark brown and the underwing coverts are colored white to cream.
A flying paradox, the house finch is both native and introduced to North America. Originally native to Mexico and the Western United States, house finches were shipped to New York City and sold as ...
The adult has a stubby pale grey-blue bill, black head, and brown body, with a brick red patch on the lower back, visible only when it flies. Some races also have a black belly. The sexes are similar, but immature birds have uniform pale brown upperparts, lack the dark head and have white to pale buff underparts.
Gulls are typically gray or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet. Terns are a group of generally medium to large seabirds typically with gray or white plumage, often with black markings on the head. Most terns hunt fish by diving but some pick insects off the surface of fresh water.
The mountain bluebird is the state bird of Idaho. This list of birds of Idaho includes species documented in the U.S. state of Idaho and accepted by the Idaho Bird Records Committee (IBRC). As of January 2022, there were 433 species on the official list. One additional species is considered hypothetical. Of the 433, 180 are review species in part or all of the state.(see note) [notes 1] Eight ...
Breeding-plumaged male bramblings are very distinctive, with a black head, dark upperparts, orange breast and white belly. Females and younger birds are less distinct, and more similar in appearance to some chaffinches. In all plumages, however, bramblings differs from chaffinches in a number of features: the brambling has a white rump, whereas ...