Plumage

In order to ensure there is no overlap between the molting and mating times, the birds may show partial neoteny in regards to their plumage so that the males do not attain their bright adult plumage before the females are prepared to mate.

There is little difference in the plumage of males and females, although a few species have some sexual dimorphism in boldness of plumage.

The sexual dimorphism displayed in plumage coloration is especially pronounced after the spring molt, when the bright color of the male's summer plumage is needed to attract a mate.

An interesting trait of the eclectus parrot is that they are the most sexually dimorphic of the parrot species, with the males being easily recognisable from their vibrant emerald green plumage and yellow beak.

But thanks to their brightly colored plumage, the birds are pretty hard to miss.

It's about 2.5-months-old and has fluffy downy feathers and the adult plumage on the head.

The American Ornithological Society announced Wednesday that it will remove names given to North American birds in honor of people and replace them with monikers that better describe their plumage and other characteristics.

The Soloveiko Songbirds – which will have accompanied audio to represent different regions of and are designed with unique plumage – are one of the 24 commissions announced by EuroFestival on Tuesday.

Unlike their parents, whose sleek black-and-white feathers seal their skin against the frigid ocean, chicks’ downy plumage isn’t waterproof.

With a lizard-like body and feathery plumage, it was one of the more eye-catching aspects of the trailer.

Preen that plumage and make heads turn.

The vibrant plumage, melodious songs and elegant flight patterns of birds like the black-crowned crane, blue-naped mousebird and purple heron create a spectacle that significantly enhances Nuer life.

Unlike most bird species, phalarope females are larger with brighter plumage.

Both the male and female have very bright, ginger-green upper-part plumage while the tail feathers have a metallic blue-green gloss with the outer three tail feathers (the feathers the bird uses to direct flight) on each side are white.

It will transition from a gray fluffy down to a grayish-pink plumage, eventually turning to a vibrant pink.

Previous studies by Professor Wolf and his collaborators have suggested that the dramatic differences in plumage color strongly limit hybridization between the two crow species.

Purple finches are strongly dimorphic, each sex displaying different plumage.

The young Wulong appeared to have an adult’s plumage.

This non-breeding plumage of male goldfinches looks very similar to what we expect female goldfinches to look like.

Although experts at camouflage, they can be recognized, notably by the crisp lines of their plumage, consisting mostly of dark business suits, but also by the incessant habit of spending every waking hour dialing district donors for dark dirty dollars.