We had a newcomer at our birdfeeder today. It looked like a sparrow, but we thought its head had a touch of red. It was exciting, since our winter birds left long ago. Except for a pair of cardinals, ...
Red-headed finches dominate their black-headed and yellow-headed peers by physical aggression and by the mere fact of being red-headed, according to research published today in the Proceedings of the ...
Red-headed finches dominate their black-headed and yellow-headed peers by physical aggression and by the mere fact of being red-headed, according to research published in the Proceedings of the Royal ...
Ithaca, NY--There appears to be an underlying selection mechanism at work among Gouldian Finches--a mechanism that allows this species to produce and maintain individuals with red heads, black heads, ...
A bright red bird is one of the most eye-catching wonders of nature. Beyond their beauty, there is a reason behind that pop of color. Male birds are typically the brightly colored ones, which helps ...
April 23 (UPI) --The heads of Gouldian finches feature one of three different colors: yellow, red and black. Now, scientists know why the pressures of natural selection have failed to erase the ...
An international team of scientists has figured out why Gouldian Finches continue to feature three different colors: red, yellow, and black. In a study, they explained that another evolutionary ...
There appears to be an underlying selection mechanism at work among Gouldian finches -- a mechanism that allows this species to produce and maintain individuals with red heads, black heads, and yellow ...