Everything about Thalassornis totally explained
The
White-backed Duck (
Thalassornis leuconotus) is a
waterbird of the family
Anatidae. It is distinct from all other ducks, but most closely related to the
whistling ducks in the subfamily
Dendrocygninae, though also showing some similarities to the
stiff-tailed ducks in the subfamily
Oxyurinae. It is the only member of the genus
Thalassornis.
These
birds are well adapted for diving. On occasions they've been observed to stay under water for up to half a minute. They search especially for the bulbs of
waterlilies. From danger, they also escape preferentially by diving; hence, the namesake white back is hardly visible in life.
White-backed Ducks live in southern Africa, especially between
Senegal and
Chad in the west and
Ethiopia and
South Africa in the east. Their habitat consists of lakes, ponds, swamps and marshes where they're well camouflaged against predators.
There are two subspecies,
Thalassornis leuconotus leuconotus and
Thalassornis leuconotus insularis. The latter lives entirely on
Madagascar and is considered to be endangered by hunting, habitat loss and the introduction of competing exotic species.
The White-backed Duck is one of the species to which the
Agreement on the Conservation of African-Eurasian Migratory Waterbirds (
AEWA) applies.
Further Information
Get more info on 'Thalassornis'.
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