Male ducks respond to sexual competition by growing either …
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).
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how do the ones who grow the nub of flesh use it to be more sexually competitive??
Wish I could do same. Beautiful pic
😂 don't we all