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The first starts a few days after fledging replacing the juvenile plumage with an auxiliary formative plumage; the second a month or so later giving the formative plumage. [3] Abnormal plumages include a variety of conditions. Albinism, total loss of colour, is rare, but partial loss of colours is more common.
For birds that do not completely molt into full adult plumage the first time, a numbering system is used to signify which plumage it is in. For example, for the first time a bird enters basic plumage, the plumage is known as first basic plumage; the second, second basic plumage. The numbers are dropped after a bird achieves its full adult plumage.
Alagoas foliage-gleaner Conservation status Extinct (2011) (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Aves Order: Passeriformes Family: Furnariidae Genus: Philydor Species: † P. novaesi Binomial name † Philydor novaesi Teixeira & Gonzaga, 1983 The Alagoas foliage-gleaner (Philydor novaesi) is an extinct passerine bird in the Furnariinae ...
The position of the nest and whether it has a greater chance of being under predation has exerted constraints on female birds' plumage. [47] A species of bird that nests on the ground, rather than the canopy of the trees, will need to have much duller colors in order not to attract attention to the nest. The height study found that birds that ...
A field mark is a characteristic (e.g. in plumage) useful for species identification, usually birds. They are often used in field guides or identification keys. In a broader context, a field mark might be referred to as a character (e.g. "differential character" or "diagnostic character"). For birds this may include plumage, flight ...
The long-tailed broadbill displays a yellow plumage on the throat. Blueish-green plumage on the belly, back, and wings. The long-tailed broadbill is a forest bird that lives on insects. It is very sociable and normally travels in large, noisy parties except during the mating season. It builds a pear-shaped nest in a tree.
Sexual dimorphism in plumage can be subtle, as in the paperbark flycatcher, where the female is identical to the male except for a slight buff on the throat; strikingly, in the Chuuk monarch, where the male is almost entirely white and the female entirely black; or non-existent, as in the Tahiti monarch.
The torrent duck (Merganetta armata) is a member of the duck, goose and swan family Anatidae. It is the only member of the genus Merganetta . It is placed in the shelduck subfamily Tadorninae after the " perching duck " assemblage to which it was formerly assigned was dissolved because it turned out to be paraphyletic .