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Baikal teal 
(Vịt Bai Can, Sibirionetta formosa), also called the bimaculate duck or squawk duck

The Baikal teal (Sibirionetta formosa), also called the bimaculate duck or squawk duck, is a dabbling duck that breeds in eastern Russia and winters in East Asia.

The name Sibirionetta is derived from the Latin sibiricus for Siberia and the Ancient Greek netta for a duck. 
The specific epithet formosa is from the Latin formosus for "beautiful".

Sibirionetta is a genus of ducks in the family Anatidae. The species of this genus were formerly placed in the genus Anas.
The name Sibirionetta is derived from the Latin sibiricus for Siberia and the Ancient Greek netta for a duck. 

1/ Baikal teal (Vịt Bai Can, Sibirionetta formosa), also called the bimaculate duck or squawk duck
The specific epithet formosa is from the Latin formosus for "beautiful".

Sibirionetta est un genre de canards de la famille des Anatidae. Les espèces de ce genre étaient auparavant classées dans le genre Anas.

1/ La Sarcelle élégante, Sarcelle Baikal ou Sarcelle de Formose (Sibirionetta formosa, anciennement Anas formosa)
Baikal teal (Vịt Bai Can, Sibirionetta formosa), also called the bimaculate duck or squawk duck

Le nom Sibirionetta provient du latin sibiricus pour la Sibérie et du grec ancien netta pour un canard.
L'épithète spécifique formosa provient du latin formosus qui signifie « beau » (ou « magnifique »).