What do they look like?
In the ruddy ducks species the males and females are both similar but they have key characteristics that distinguish which gender they are. The male ducks change throughout the seasons in the year. The main difference is that males have a chestnut color and females don't.
- Average Length: M 15.4", F 15"
- Average weight: M 1.20 lbs., F 1.19 lbs.
Ruddy Ducks are usually quiet. The female gives a nasal call to beckon her brood, a high-pitched call to ward off amorous males, and a hiss when threatened. The male has only one call. It's a belch-like sound given during courtship displays. Below is "Belching" during male bubbling display.