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Also, covert feathers; tectrices – singular: tectrix. A layer of non-flight feathers overlaying and protecting the quills of flight feathers. At least one layer of covert feathers appear both above and beneath the flight feathers of the wings as well as above and below the rectrices of the tail. [116] These feathers may vary widely in size.
This is a list of the bird species recorded in Southern Africa.Southern Africa is defined as Africa south of a line between the Kunene and Zambezi rivers, encompassing Namibia, Botswana, Zimbabwe, mainland South Africa, Lesotho, Eswatini and southern and central Mozambique, as well as oceanic waters within 200 nautical miles (370 km) of the coast, covering approximately 3.5 million square ...
The Eurasian sparrowhawk's small bill is used for plucking feathers and pulling prey apart rather than killing or cutting. Its long legs and toes are an adaptation for catching and eating birds. The outer toe is fairly long and slender; the inner toe and back toe are relatively short and thick.
The Cassin's sparrow is a fairly large, plain, grayish sparrow that lacks conspicuous markings. In flight, the long, roundish tail is obvious and the white tips of the tail feathers are sometimes apparent. This species is most easily identified by its distinctive song and dramatic skylarking behavior during the breeding season.
The golden-crowned sparrow is one of five species in the genus Zonotrichia, a group of large American sparrows. [2] It has no subspecies. [3] It is a sister species with, and very closely related to, the white-crowned sparrow; studies of mitochondrial DNA show the two evolved into separate species very recently in geologic time.
For a sparrow, the Cape sparrow is strikingly coloured and distinctive, and is medium-sized at 14–16 cm (5.5–6.3 in) long. [3] Adults range in weight from 17 to 38 grams (0.60–1.34 oz). [4] The breeding male has a mostly black head, but with a broad white mark on each side, curling from behind the eye to the throat.
Most passerine birds have 12 tail feathers but the superb lyrebird has 16, [15] and several spinetails in the family Furnariidae have 10, 8, or even 6, as is the case of Des Murs's wiretail. Species adapted to tree trunk climbing such as treecreepers and woodcreeper have stiff tail feathers that are used as props during climbing. [ 16 ]
The Baltimore oriole is the state bird of Maryland. This list of birds of Maryland includes species credibly documented in the U.S. state of Maryland and accepted by the Maryland / District of Columbia Records Committee (MRC) of the Maryland Ornithological Society as of 2022. There are 456 species included in the official list. Eight additional species of questionable origin and two of exotic ...