资讯

When firefighter Brian Wilson retired in 1995, he planned to fill his days teaching fire and public safety classes to children. He liked to bring along his three parrots for these public appearances; ...
Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. With rare exceptions, parrots are colorful -- many of them, ...
Birds tend to be more colorful in the tropics, and scientists wanted to find out how they got there: if colorful feathers evolved in the tropics, or if tropical birds have brightly-colored ancestors ...
Nature produces some truly extravagant costumes, and birds have evolved more than their fair share of dazzling outfits. Often, it's the male birds that steal the show with bold colors and unfurling ...
If a sequel is made about the famous wild parrots of San Francisco's Telegraph Hill, there's a chance it may not have a happy ending. Since one of their favorite trees was chopped down Monday, and two ...
The long-held idea that birds living near the equator are more colorful than those living closer to the poles is true, suggests a recent study Paradise Tanager (Tangara chilensis). The sexes look ...
PThere are many colorful birds in the world but yellow parrots stand out like golden sunshine in the sky as their beauty is ...
The call of the wild draws visitors to a colony of Quaker parrots living on the power lines above Brooklyn College‘s athletic field. “In New York City, you don’t see too many types of birds besides ...
Birds see a more colorful world than we do, especially when it comes to their eggs, a new study suggests. Unlike humans, birds can see ultraviolet (UV) light, and they have four – rather than three – ...
The rainbow of hues seen in modern bird eggs probably evolved in birds' dinosaur ancestors, which had eggs with colorful and speckled shells. That's according to a new study of fossil eggs in the ...