And you thought you were having a bad day. In a truly bizarre turn of events, a supposedly nymphomaniac duck had to have its penis removed after having too much sex. The animal reportedly traumatized ...

Humans aren't the only ones who grieve after a devastating loss. Though we may forget how deeply pets can feel, they, too, know the ache of heartbreak—especially when losing their partner. Greens may ...

Male ducks respond to sexual competition by growing either an extra-long penis or a nub of flesh, a new study finds. The unusual phenomena occurred in two species studied: the lesser scaup (Aythya ...