Common Shelduck
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The Common Shelduck (Tadorna tadorna) is a widespread and common duck of the Genus Tadorna.
Description
The gooselike Common Shelduck is a striking bird with its red bill, white and chestnut body, dark green head and neck. Sexes are similar, but the female is duller. The male has a swollen red bill knob in the breeding season.
Distribution
This is a bird which breeds in temperate Eurasia. Most populations migrate to subtropical areas in winter, but this species is largely resident in westernmost Europe, apart from movements to favoured moulting grounds, such as the Wadden Sea on the north German coast.
The Common Shelduck is common around the coastline of Great Britain (where it is simply known as Shelduck), where it frequents salt marshes and estuaries.
Behavior and Habitat
Moulting flocks can be very large (100,000 on the Wadden Sea), since most pairs leave their partially grown young in a crèche with just one or two adults.
This species is mainly associated with lakes and rivers in open country, breeding in rabbit burrows, tree holes, haystacks or similar. In winter it is common on suitable estuaries and tidal mudflats as well.
The call is a loud honk.
This bird is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
References
- BirdLife International (2004). Tadorna tadorna. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Database entry includes justification for why this species is of least concern
(Source: Wikipedia.org)
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