the throat and head and the snood is a highly erectile appendage emanating from the forehead. Both sexes of turkey possess caruncles, although they are more pronounced in the male. Usually they are pale, but when the male becomes excited or during courtship, the caruncles, wattle and snood all engorge with blood, become bright red or blue, and enlarge.

The beard (a tuft of modified brush-like feathers) also becomes erect.

Muscovy ducks

In the context of Muscovy ducks, caruncles refer

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