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Posted on 27 Апр 201818

Ruddy shelduck - wikipedia

Ruddy shelduck - wikipedia
The ruddy shelduck (Tadorna ferruginea), known in India as the Brahminy duck, is a member of the family Anatidae. The female is similar but has a rather pale, .

The female in particular approaches intruders with head lowered and neck outstretched, uttering anger calls. Altogether, the birds have a wide range and large total population, and the analysis shows that it is most closely related to the South African shelduck. The Ruddy Shelduck is usually found in pairs or small groups and rarely forms large flocks. The birds at the end of the breeding season and the male loses the black collar, but a further partial moult between December and April restores it.

The sexes of this striking species are similar, but the male has a black ring at the bottom of the neck in the breeding season summer, and the female often has a white face patch. Before moulting they move to large water bodies where they can more easily avoid The family may stay together as a group for some time; the autumn migration starts around September and the young may mature in their second year. The ruddy shelduck has a very wide range and an estimated total population size of 170,000 to 225,000 individuals. Your use of this website indicates your agreement to these terms. Although becoming quite rare in southeast Europe and southern Spain, the Ruddy Shelduck is still common across much of its Asian range.

There is a strong pair bond between the male and female and it is thought they pair for life. The male and female form a lasting pair bond and the nest may be well away from water, in a crevice or hole in a cliff, tree or similar site. In captivity, the ruddy shelduck has been known to The ruddy shelduck grows to a length of 58 to 70 cm (23 to 28 in) and has a 110–135 cm (43–53 in) wingspan. In India it is known as the In Tibet and Mongolia, Ruddy Shelduck is considered sacred by the Buddhists. A clutch of about eight eggs is laid and is solely by the female for about four weeks. In Hindi and Urdu (India/Pakistan) it is called Surkhab. Mating takes place on the water after a brief courtship ritual involving neck stretching, head dipping and tail raising. It has orange-brown body plumage with a paler head, while the tail and the flight feathers in the wings are black, contrasting with the white wing-coverts. In their breeding quarters, the birds are very aggressive towards their own kind and towards other species. We all enjoy ducks and many of us offer them food to encourage them to come over and stay around - and it works! Who doesn't like an easy meal! However, the foods that we traditionally feed them at local ponds are utterly unsuitable for them and are likely to cause health problems down the road.

Ruddy shelducks beauty of birds
The Ruddy Shelduck is one of the species to which the Agreement on the Conservation of . And the female often has a white .

The Ruddy Shelduck has declined in the western parts of the range, . The female lays 6-10 eggs and incubates during 28-29 days, .

The rump, flight feathers, tail-coverts and tail feathers are black and there are iridescent green on the inner surfaces of the wings. In captivity this species is generally aggressive and antisocial and is best housed in pairs unless in a very large area. Its typical breeding habitat is large wetlands and rivers with , and it is found in large numbers on lakes and reservoirs. Then it may mix with other species, although it will still be feisty at breeding time. It is a , wintering in the Indian subcontinent and breeding in southeastern Europe and central Asia, though there are small resident populations in North Africa.

It is also a sacred animal in Slavic mythology. A clutch of about eight eggs (range six to twelve) is laid between late April and early June. Gatherings of over four thousand birds have been recorded on the The birds arrive at their main breeding locations in central Asia in March and April. The birds at the end of the breeding season and the male loses the black collar, but a further partial moult between December and April restores it. The Pembo Black-necked Crane Reserve in Tibet is an important wintering area for ruddy ducks, and here they receive protection.

This shelduck mostly frequents open locations on inland bodies of water such as lakes, reservoirs and rivers. Juveniles are similar to the female but are a darker shade of brown. A clutch of about eight eggs is laid and is solely by the female for about four weeks. In Hindi and Urdu (India/Pakistan) it is called Surkhab. Though more common in the lowlands, it also inhabits higher altitudes and in central Asia is one of the few waterbirds, along with the and feeds on grasses, the young shoots of plants, grain and water plants as well as both aquatic and terrestrial. Avianweb / BeautyOfBirds or any of their authors / publishers assume no responsibility for the use or misuse of any of the published material. Although this bird is observed in the wild from time to time in eastern Feral ruddy shelduck have bred successfully in several European countries. These birds are mostly migratory, wintering in southern Asia. The overall population trend is unclear as some local populations are increasing while others are decreasing. The calls are made both on the ground and in the air, and the sounds are variable according to the circumstances in which they are uttered.

Breeding of ruddy shelduck - researchgate

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