Aythya collaris - definition of Aythya collaris by The Free Dictionary
ring-necked duck (redirected from Aythya collaris)
A duck (Aythya collaris) of North and Central America having a distinctive light ring behind the tip of the bill and, in the male, a light chestnut ring around the neck. Also called ring-bill.
a North American diving duck, Aythya collaris, having a chestnut ring on the neck and a white one on the bill.
References in periodicals archive
clypeata 4 Wood duck ([double dagger]) Aix sponsa 104 Common goldeneye ([section]) Bucephala clangula 18 Canvasback ([section]) Aythya valisinena 19 Hooded merganser ([section]) Lophodytes cucullatus 26 Lesser scaup ([section]) Aythya affinis 1 Redhead ([section]) Aythya americana 223 Ring-necked duck ([section]) Aythya collaris
51 Ruddy duck ([parallel]) Oxyura jamaicensis 2 No.