Mike Potts / New Zealand scaup (Aythya novaeseelandiae) on Lake Wanaka, South Island, New Zealand.
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Andy Trowbridge / New Zealand Scaup (Aythya novaeseelandiae) in flight. Lake Forsyth, Banks Peninsula, Christchurch, New Zealand. July.
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Andy Trowbridge / New Zealand Scaup (Aythya novaeseelandiae) in water, late evening light. Christchurch, New Zealand. July.
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Nick Upton / Two Black-headed gulls (Chroicocephalus ridibundus) in winter plumage vocalising on a lake shore, with a group of female Common teal (Anas crecca) feeding nearby, Rutland Water, Rutland, England, UK,...
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Andy Trowbridge / New Zealand scaup (Aythya novaeseelandiae) bathing. Christchurch, South Island, New Zealand. July.
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Nick Upton / Large mixed flock of Wigeon (Anas penelope) and Common Teal (Anas crecca) swimming on partially flooded pastureland, with Lapwings (Vanellus vanellus), Black-tailed-godwits (Limosa limosa) and Golden...
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Nick Upton / Black-tailed godwits (Limosa limosa) coming into land alongside Wigeon (Anas penelope) and Common Teal (Anas crecca) on flooded marshland, RSPB Greylake, Somerset, UK, January.
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Gabriel Rojo / Black-bellied whistling ducks (Dendrocygna autumnalis) group in flight, Ibera Marshes, Corrientes Province, Argentina.
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Brent Stephenson / Adult female New Zealand scaup (Aythya novaeseelandiae) swimming across the surface of a pond. Waikanae Estuary, Wellington, New Zealand, August.
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Brent Stephenson / Adult male New Zealand scaup (Aythya novaeseelandiae) flapping its wings. Lake Rotorua, Bay of Plenty, New Zealand, July.
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Nick Upton / Dense flocks of Lapwings (Vanellus vanellus), Golden plover (Pluvialis apricaria ) and Black-tailed godwits (Limosa limosa) flying over a group of Common teal (Anas crecca) foraging on flooded pasture...
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Rod Williams / Ringed teal (Callonetta leucophrys) male scratching head on edge of water, Central Southern USA. Captive.