The upperside feathers often feature wing bars that make birds easier to identify. And a small, separate group of ... travel on both sides of the wing. Tail feathers are multipurpose tools!

Imagine the ancestors of birds as small, scaly ... hollow filaments covering its back and tail. At last there was evidence of truly primitive feathers—found on a ground-running theropod.

Evidence of avian beginnings has been elusive in the fossil record because birds ... tail, another reptilian feature found in small dinosaurs too. But the creature also had wings and bore feathers ...

They flash their white outer tail feathers and white wing patches conspicuously ... including suburban neighborhoods. Migration: birds in the northern portion of range and at higher elevations ...

“Well, a couple of families came into the nature center that we have out here at Hart Park, and they just said they saw a guy grab it by the tail feathers ... Although the birds are wild ...

Here is a list of the most colourful birds in the world. The scarlet macaw is a large parrot species. It can grow 32 inches long and weigh up to 2.2 pounds. Mainly red in color, it also has blue wings ...