Unlike birds whose plumage is mostly blue, the green coloring of a green bird‘s feathers is the result of pigment, not a ...

These corvids are all visually striking in their own way, but perhaps none so much as the green jay, a tropical bird found in just ... bodies and sharply marked blue-and-black heads.

Whatever the evolutionary advantage, animals' color is inextricably intertwined with their environment, be it the bright ...

The tropical rainforest nurtures some of the most striking and colourful birds in the world ... recognised by its striking blue upper parts, yellow underparts, a green forehead, and a long ...

The bird has a blue-gray head and yellow-orange underside. It is native to South and Central America, but has been spotted around U.S. states, mostly along the border in Mexico. A tropical parula ...

Parrots, toucans, and other brightly colored tropical birds are typically found exactly ... is an example of structural color. [Related: Why blue animals are so rare in nature.] ...

violet or blue, then emit the light in a lower-energy wavelength. Researchers described biofluorescence in 37 of the 45 known species of birds-of-paradise, found only in remote tropical forests ...