To know what a tropical bird is, you first have to know where the tropics are. The tropics form a band around the equator ...

The female Green Honeycreeper bird is appropriately enough colored green, whereas the male is blue. So, what happens when a Honeycreeper is half of each sex? Well, as recently taken photos show us ...

The Indian subcontinent is home to vibrant birdlife, including several green-feathered species that blend beauty with ...

Birds-of-paradise are even colorful in the dark, with feathers and body parts that glow a brilliant yellow-green under ultraviolet (UV) light, a new study found. CNN values your feedback 1.

The yellow warbler at the corner of South Van Ness and 22nd is a bird with yellow and black stripes that migrates between California and South America. When they were in town, they congregated in the ...

In addition to blue, green and red cone cells, many birds have cone cells that are sensitive to ultraviolet light, allowing them to see a broader spectrum of colors than people can.

India's green birds are a testament to nature's vibrant artistry. From the Plum-headed Parakeet to the Yellow-footed Green Pigeon, here are 10 gorgeous green birds found across India.