Birds

Unidentified Aythya Duck

Unidentified Aythya Duck

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Not yet spotted on Fladder
Spotted
This refers to a diving duck belonging to the Aythya genus that could not be identified to species level. This genus includes familiar ducks like Scaups, Redheads, Ring-necked Ducks, and Tufted Ducks, all sharing a preference for diving for food.
Where to spot
Found on a wide variety of freshwater bodies, including lakes, ponds, reservoirs, and slow-moving rivers, and sometimes coastal bays, across the Northern Hemisphere where Aythya ducks are present.
How to spot
Observe general size, diving behavior, and primary plumage colors (e.g., black back, white flanks). Note bill shape and head profile if possible. Look for distinctive eye color or crests, and consider the bird's overall 'jizz' for clues.
When to spot
Can be observed year-round, but large congregations are most common during migration (spring and fall) and in wintering grounds when they gather on ice-free waters.
Many Aythya species are gregarious, forming large rafts on open water, especially during migration and winter, which can sometimes make individual identification challenging in dense groups.
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