Birds' eyes differ dramatically from ours, and the difference directs lifestyle. Birds have huge eyes, proportionately larger than mammals'. Some birds' eyes equal or outweigh their brains, like ...

Animals with blue eyes are a rare occurrence in nature due to being linked to recessive genetics, mutations, and specific ...

While birds often have vibrant plumage, the dazzling diversity in the colour of their eyes might be just as important for their survival and reproductive success, according to a review of hundreds ...

They like the same bird-feeder food as blue jays. One of the most common ... They have distinctive ear-like tufts on their heads and big, yellow eyes they use to hunt everything from rodents ...

The last to join the chorus, such as chaffinches and blue tits ... the light intensity at which birds start to sing and eye size. “Birds with big eyes do start to sing earlier,” says Thomas.

Biofluorescent creatures generate their glow with structures that absorb high-energy wavelengths of light, such as UV, violet or blue ... that our own eyes perceive.” Though birds-of-paradise ...

Like most primates, humans are trichromatic—that is, our eyes have three types of color-sensitive receptors or cones: blue ... “big step forward,” offering the most thorough look at how ...

Eyes open, then, for foreign feathered things large--and small. For more information about birds and bird habitat, see Sharon Sorenson's books How Birds Behave, Birds in the Yard Month by Month ...

The bright lights of big cities could be causing some birds to have smaller eyes. A recent study has revealed that two common species of songbirds in city areas - the Northern Cardinal and ...

(CNN) — Many types of birds — such as ... that are invisible to human eyes. Plumage and body parts of birds-of-paradise glow in certain areas when viewed under blue and ultraviolet, or UV ...