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wood duck
(redirected from Aix sponsa)

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wood duck

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Drake wood duck (Aix sponsa)
(credit: Grant Heilman)
North American duck (Aix sponsa, family Anatidae); a popular game bird. Wood ducks, 17–21 in. (43–52 cm) long, nest in a tree cavity up to 50 ft (15 m) off the ground; they have long-clawed toes for perching. Both sexes have a head crest in winter. The beautifully coloured male has a purple and green head, red-brown breast flecked with white, and bronze sides; the female has a white eye ring and duller colouring. Ducklings eat aquatic insects and other small organisms; adults prefer acorns or other nuts. Hunted nearly to extinction for its flesh and feathers, it has been restored to healthy populations by strong conservation efforts.
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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.
Wild Bird Influenza Survey, Canada, 2005 by Parmley, Jane E.; Bastien, Nathalie; Booth, Timothy F.; Bowes, Victoria; Buck, Peter A.; Andre Breau / Emerging Infectious Diseases
 
 
 
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