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In addition, the front edge of the wing is covered with a group of feathers called the marginal coverts. Within each group of wing coverts, the rows of feathers overlap each other like roof tiles (the greater coverts are overlain by the median coverts, which in turn are overlain by the outermost row of lesser coverts, and so on).
External anatomy of a typical bird: 1 Beak, 2 Head, 3 Iris, 4 Pupil, 5 Mantle, 6 Lesser coverts, 7 Scapulars, 8 Coverts, 9 Tertials, 10 Rump, 11 Primaries, 12 Vent, 13 Thigh, 14 Tibio-tarsal articulation, 15 Tarsus, 16 Feet, 17 Tibia, 18 Belly, 19 Flanks, 20 Breast, 21 Throat, 22 Wattle, 23 Eyestripe Topography of a typical passerine.
There are a number of types and subtypes of covert feathers—primary, secondary, greater, lesser, marginal, median, etc.—see broadly wing coverts and tail coverts. cranial kinesis Also defined: prokinesis, amphikinesis and distal rhynchokinesis. Movement of the upper mandible in relation to the front of the skull. There is very little of ...
Chotoy spinetail Conservation status Least Concern (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Aves Order: Passeriformes Family: Furnariidae Genus: Schoeniophylax Ridgway, 1909 Species: S. phryganophilus Binomial name Schoeniophylax phryganophilus (Vieillot, 1817) The chotoy spinetail (Schoeniophylax phryganophilus) is a species of bird in ...
Adult birds have pale gray heads and upper parts, light underparts, salmon-pink flanks and undertail coverts, and dark gray wings. Axillars and patch on underwing coverts are red. [10] Their extremely long, forked tails, which are black on top and white on the underside, are characteristic and unmistakable.
Their back is a lighter brown and their rump and uppertail coverts grayish brown. Their wing coverts are rufous to brownish rufous and the flight feathers dusky with tawny edges. Their tail is graduated and dusky brown. Their throat is white, their breast and flanks white with brown-gray streaks, and their belly and undertail coverts plain white.