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Shelduck

            The shelducks, most species of which are found in the genus Tadorna (except for the Radjah shelduck, which is now found in its own monotypic genus Radjah), are a group of large birds in the Tadorninae subfamily of the Anatidae, the biological family that includes the ducks and most duck-like waterfowl such as the geese and swans.

Biology
Shelducks are a group of large, often semi-terrestrial waterfowl, which can be seen as intermediate between geese (Anserinae) and ducks. They are mid-sized (some 50–60 cm) Old World waterfowl. The sexes are colored slightly differently in most species, and all have a characteristic upperwing coloration in flight: the tertiary remiges form a green speculum, the secondaries and primaries are black, and the coverts (forewing) are white. Their diet consists of small shore animals (winkles, crabs etc.) as well as grasses and other plants.

They were originally known as "sheldrakes", which remained the most common name until the late 19th century. The word is still sometimes used to refer to a male shelduck and can also occasionally refer to the canvasback (Aythya valisineria) of North America.

Taken on: January 17, 2025

Tags:

Tadornaadorna

avian

Bird

ason

Nature

Nikon

Photography

Prince

WILDLIFE

500mm

500mmPF

500mmPFEDVR

500PF

Jason

@VanguardPhotoUK

@VanguardNature

Water

Waterbird

Waterfowl

Estuary

Z8 « less

Sets appears in: • Nikon Z8 • Nikon 500mm PF ED VR f/5.6 more » • Birds • Ducks • Wildlife & Animals « less

Stats: 6,711 views / 1 comment

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