While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team trained wild hummingbirds to ...

Birds boast some of the most vibrant colors among terrestrial animals. The tropics are often renowned for the brightest birds, but U.S. birds also display a wide array of striking hues. But just how ...

Even though Rhode Island is the smallest state in the country, it has a lot of different habitats, from woods to wetlands, to beaches, to urban and suburban areas. This means the state supports a ...

Despite their colorful appearance, blue jays are actually in the family Corvidae, the same as crows and ravens. These birds are typically 9 to 12 inches long from beak to tail and weigh under 3.5 ...

Though tiny and delicate, hummingbirds are keen at adapting to their environment — whether building a nest with a leaf as a roof or using their expert eyes to scout out their surroundings.

Pamala Farris has dedicated her life to nursing, so it was only fitting she play Florence Nightingale to a fledgling blue jay. For almost a week this summer, the Castle Hills retiree tended to the ...

image: While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A research team led by Princeton's ...