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The common shelduck (Tadorna tadorna) is a waterfowl species of the shelduck genus, Tadorna. It is widespread and common in the Euro-Siberian region of the Palearctic , mainly breeding in temperate and wintering in subtropical regions; in winter, it can also be found in the Maghreb .
[4] [5] The type species is the common shelduck. [5] The genus name comes from the French name Tadorne for the common shelduck. [6] It may originally derive from Celtic roots meaning "pied waterfowl", essentially the same as the English "shelduck". [7] A group of them is called a "dopping," taken from the Harley Manuscript. [8]
The genus name Tadorna comes from the French "tadorne", the common shelduck, [6] and may originally derive from a Celtic word meaning "pied waterfowl". The English name "sheld duck" dates from around 1700 and means the same. [7] The species name ferruginea is Latin for "rusty" and refers to the colour of the plumage. [8]
The paradise shelduck (Tadorna variegata), also known as the paradise duck, or pūtangitangi in Māori, is a species of shelduck, a group of goose-like ducks, which is endemic to New Zealand. Johann Friedrich Gmelin placed it in the genus Anas with the ducks, geese, and swans .
The Australian shelduck (Tadorna tadornoides), also known as the chestnut-breasted shelduck or mountain duck, is a shelduck, a group of large goose-like ducks part of the bird family Anatidae. The genus name Tadorna comes from Celtic roots and means "pied waterfowl". [2] They have a striking chestnut-coloured breast and black body.
Increased ocean stratification reduces the introduction of nutrients from the deep ocean into the euphotic zone resulting in decreases in both net primary production and sinking particulate matter. [3] Additional research suggests shifts in the geographical range of many species could also occur with warming, with many of them shifting poleward ...
Marine life depends in some way on the saltwater that is in the sea (the term marine comes from the Latin mare, meaning sea or ocean). A habitat is an ecological or environmental area inhabited by one or more living species . [ 1 ]
The South African shelduck or Cape shelduck (Tadorna cana) is a species of shelduck, a group of large goose-like birds which are part of the bird family Anatidae, which also includes the swans, geese and ducks. This is a common species native to southern Africa. This is a 64 cm (25 in) long bird which breeds mainly in Namibia and South Africa ...