What term describes the muted, drab colors of the female ducks used for camouflage while nesting?

Answer

Hens

The females of many duck species are referred to as hens, and their muted, drab colors provide crucial camouflage while they are nesting.

What term describes the muted, drab colors of the female ducks used for camouflage while nesting?
birdanimalclassificationduckwaterfowl