Ducks make a wonderful addition to any backyard farm. You know they are super cute, but did you know these 11 Amazing Facts About Ducks? They can sleep with one eye open — Ducks can turn off half their brain while keeping the other half alert for predators. Duck Terms — A baby duck is called a duckling , a male is a drake and a female is a hen or duck.
The sex wars of ducks
11 Amazing Duck Facts! - The Cape Coop
The American black duck is found locally but in much lower numbers than the similar and well-known mallard. American black ducks are found only in eastern North America and they are a year-round resident to our area. Their population is estimated at , birds compared to mallards with nearly world-wide distribution and an estimated population of 30 million individuals. As mentioned above, American black ducks closely resemble female mallards. They appear black from a distance but their artfully colored feathers are mostly dark brown with a fine tan border. Mallard females have lighter brown body feathers with four alternating, oblong rings of medium brown and tan on each feather.
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 affinis and the ruddy duck Oxyura jamaicensis. It suggests that penis size — in line with many traits and behaviours meant to impress or allow impregnation of the opposite sex — involves a trade-off between the potential to reproduce and to survive. Patricia Brennan, an evolutionary biologist at Mount Holyoke College in South Hadley, Massachusetts, compared the penises of ducks kept in male—female pairs to those housed with multiple males per female. Because evolutionary success relies on reproduction, genitals are adapted to meet the varied circumstances that every animal faces.
This page has been archived and is no longer updated. Published online 23 December Nature doi Matt Kaplan. Unwanted sex is an unpleasant fact of life for many female ducks. After carefully selecting a mate, developing a relationship and breeding, a female must face groups of males that did not find mates and want nothing more than a quick fling.