This gene doesn’t necessarily lead to a bird with entirely blue feathers. Instead ... These chickens are relatively small in size, with males averaging a weight of 4 pounds and females around ...

If you squash one like a blue jay feather, it turns grayish-brown ... They are also carnivorous birds and pack foods in small hidden places for future use, demonstrating how they structured ...

Homobatrachotoxin, found in the skin and feathers of pitohui birds ... Endemic to New Guinea, the blue-capped ifrit is a small, insect-eating bird. It is recognized as an ancient relict species ...