Male domestic fowl are less aggressive towards related males than to unrelated males when competing for copulations, according to a new study. This finding suggests that domestic fowl can recognize ...

Rooster pheasants in April have pretty grand notions of themselves. They imagine they are as large as refrigerators, as intimidating as Pro Bowl linebackers and as handsome as cathedral windows.

Chickens have their own battle of the sexes, and scientists have discovered a secret strategy used by hens to control who fertilizes their eggs: After mating, hens can eject the sperm of less ...

Chickens have their own battle of the sexes, and scientists have discovered a secret strategy used by hens to control who fertilizes their eggs: After mating, hens can eject the sperm of less ...