Sunday, November 27, 2011

Endemic Birds of Sri Lanka

Layard’s Parakeet

    Scientific Name –Psittacula 
calthropae Common Name –Alu Girawa. The name of this endemic breeder commemorates the British naturalist Edgar Leopold Layard. It is also referred to as the Sri Lanka Emerald Collared Parakeet. Its color is mainly green and it measures up to at least 29cm long including a tail of up to 13cm. The adult has a bluish-grey head and back,separated by a green collar. There is broad black chin stripe and the tail is blue tipped yellow. The female is similar, but has all black break and less green on the face than the male. Immature birds are mainly green, with an orange bill.
    Layard’s Parakeet is bird of forests, particularly at the edges and in cleanings, and also gardens. It is locally common and undergoes local movements, driven mainly by the availability of the fruit, seeds, buds and blossoms that make up its diet. It less gregarious than some of its relatives, and usually in small groups outside the breeding seasons, when if often feeds with Brahminy Starlings. Its flight is swift and direct, and the call is distinctive as it’s raucous chattering. It nests in holes in large trees, laying 3-4 white eggs. It appears on the 50 cents postal stamp and the new 500 rupee note. 






Sri Lankan Hanging Parrot


  Scientific Name- Ioriculus berylinus Common Name – Gira Maliththa or Pol Girawa. This is a small parrot which is a resident endemic breeder in Sri Lanka. It is the size of a House Sparrow measuring only 13cm long with a short tail. The adult is mainly green with a red crown and rump. The nape and black have an Orange tint. The chin and throat are pale blue. The beak is red and the irises are white. Immature birds lack the orange hue to the back, have a duller rump, and have only a hint of orange on the crown. They have a faint blue throat, orange beaks and brown irises. It is less gregarious than some of its relatives, and is usually alone or in small groups outside the breeding season. Its flight is swift and direct, and the is a sharp whistled twiwittwit….twitwitwit. Its move meant are driven mainly by the availability of the fruit, seeds, buds and blossoms that make up its diet. 

It is a bird of open forest and lives on trees, never descending to the ground. Its breeding habits are highly remarkable. It nests in hole in trees, laying 2-3 white eggs. It breeds in the first half of the year, and sometimes again in July-September. This brilliantly colored little parrot is found everywhere in the his up to 4,000 feet, and in the north-east monsoon it ascends a thousand feet higher; it also inhabit the low-country wet zone and parts of the dry zone to the south of the Northern Province. The Sri Lanka Hanging Parrot is featured in the 15 cents postal stamp and the new 1,000 rupee note.












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