Radjah Shelduck

Radjaheend

Radjah Shelduck (Tadorna radjah)

De Radjah Shelduck (Tadorna radjah) is een shelduck uit de familie van de water birds that includes ducks, geese, and swans (Anatidae).

Naamgeving

Nederlandse naam:
Radjaheend
Engelse naam:
Radjah Shelduck
Duitse naam:
Radjahgans
Franse naam:
Tadorne radjah
Wetenschappelijke naam:
Tadorna radjah

Taxonomische indeling

Orde:
Anseriformes
Familie:
Anatidae
Onderfamilie:
Tadorninae
Geslacht:
Tadorna

Beschrijving

Uiterlijke kenmerken:

Male:
Are mostly white, Dark back reddish to black, rump and tail. Mantel, scapulars and breast band are dark rusty. Distinctive “collar” of dark feathers.
Breast and belly are white. Upper and under wing coverts are mainly white. Flight feathers are blackish. Secondary feathers form bright green speculum, bordered with black in front, and with white stripe behind. Head and neck are white. Bill, legs and webbed feet are pink. Eyes are very pale, almost white.

Female:
Are similar. Except for the males are slightly larger and show a wider breast band.

Juvenile:
Resembles adult, with white parts slightly washed brownish. On wings, it has more black on great coverts, and duller speculum. Bill, legs and feet are whitish-pink. Eyes are dark brown.

Gedrag:

Radjah Shelduck is usually seen in pairs or in small groups. Pairs form long-term pair-bonds. During breeding season, male becomes very territorial, and it may attack its mate. They are strongly monogamous.
 

Maten en Gewicht

Lengte man:
De man (woerd) van de Radjah Shelduck heeft een lichaamslengte van ongeveer 50-58 centimeters. De vrouw (pop) heeft een lichaamslengte van ongeveer 50-58 centimeters.
Gewicht man:
Het mannetje weegt ongeveer 816-910 gram. Het vrouwtje weegt ongeveer 816-910 gram.
Het gewicht is notoir variabel en kan alleen als indicatie worden gebruikt!
Ondersoorten:

There are two subspecies:

  • Tadorna radjah radjah - Moluccan or New Guinea (Black-Backed)
  • Tadorna radjah rufitergum - Australian (Red-Backed)
Breeding:
Het vrouwtje Radjah Shelduck legt doorgaans zo'n 6-12 creamy white eieren het broeden duurt 28-31 dagen.

Ringdagen:
Aanbevolen passende ringmaat voor de Radjah Shelduck is 12 mm.
The leg band ring can only be applied on a young shelduck van ongeveer 12-14 dagen oud.

It doesn't matter what leg that you band, but it's good to have a consistent system.
Suggested: Left leg = Female, Right leg = Male
Voedsel:
Lundi Regular
Lundi Regular
Lundi Regular
Lundi Regular
Lundi Regular

Lundi Regular with a protein content of 20%, valuable Spirulina and high-quality by-products is optimally balanced in its composition maintenance food for water ornamental fowl of all kinds. Especially green teal and Whistling ducks that are not dependent on a very high protein content, are well supplied.

Lundi Regular contains all the minerals and vitamins in full form that are important for the animals. Therefore also suitable as breeding food.

Lundi Premium
Lundi Premium
Lundi Premium
Lundi Premium
Lundi Premium

Floating full food for all sea ducks, green ducks, eider ducks and geese, especially in the moulting and breeding phase ideally suited. Packed with wholesome raw materials, natural vitamins and trace elements, this performance food with a protein content of 30% forms the basis for lifelong vitality.

Foto's van de Radjah Shelduck



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