“When there is not enough food, or when crops get depleted through the winter, these birds will migrate (or irrupt) outside of their usual wintering grounds and into the Great Lakes region, including ...

Animals showcase a remarkable diversity of colors and patterns, from the shimmery appearance of a peacock's tail to the ...

The key genes change the chemical structure of the pigment molecule through the actions of an enzyme which adds just one atom ...

Researchers at Princeton University have used hyperspectral imaging, a powerful technique that captures pictures containing ...

Delhey and his colleagues mapped the plumage colors of all species of passerine birds, of which there are more than 5,000, to climates in which they live. They found that the animals were lighter ...