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 ...
GRAND FORKS – In last week’s Northland Outdoors, dated Saturday, July 16, Doug Leier of the North Dakota Game and Fish Department reported that the “index” for ruddy duck numbers is up 157% over last ...
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