வெள்ளி, 13 டிசம்பர், 2013

NEELA KOBEIYA-නීල කොබෙයියා
The Emerald Dove (Chalcophaps indica) is a pigeon which is a wide spread resident breeding bird in the tropical and sub-tropical parts of the Indian Subcontinent and east through Myanmar, Thailand, Malaysia and Indonesia, to northern and eastern Australia. The dove is also known by the names of Green Dove and Green-winged pigeon.

This is a common species in rain forest and similar dense wet woodlands, farms, gardens, mangroves and coastal heaths. It builds a scant stick nest in a tree up to five metres and lays two cream-colouredeggs.

Its flight is fast and direct, with the regular beats and an occasional sharp flick of the wings which are characteristic of pigeons in general. It often flies low between the patches of dense forest it prefers, but when disturbed will frequently walk away rather than fly. They are particularly good weavers when flying through forests. When flying they expose a buff underwing and a chestnut colour of their flight feathers.

The male has a white patch on the edge of the shoulders and a grey crown, which the female lacks. Females will tend to have a browner complexion with a grey mark on the shoulder. Immature birds resemble females but have brown scallops on their body and wing plumage.
Emerald doves usually occur singly, pairs or in small groups. They are quite terrestrial, often searching for fallen fruit on the ground and spending little time in trees except when roosting. They eat seeds and fruits of a wide variety of plants and are generally tame and approachable.
The call is a low soft moaning cooing consisting of about six to seven coos starting quietly and rising. They also call a nasal "hoo-hoo-hoon". Males perform a bobbing dance during courtship.
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KEHIBELLA- කැහිබෙල්ලා
The Sri Lanka Blue Magpie or Ceylon Magpie(Urocissa ornata) is a member of the crow family living in the hill forests ofSri Lanka, where it is endemic.
This is a species of a dense wet evergreen temperate rain forest. It is declining due to loss of this habitat. Sri Lanka Blue Magpie is usually found in small groups of up to six or seven birds. It is largely carnivorous, eating small frogs, lizards, insects and other invertebrates, but will eat fruit.
The cup-shaped stick nest is in a tree or shrub and there are usually 3–5 eggs laid. The eggs are white heavily spotted with brown. Both sexes build the nest and feed the young.
KAHA THUDU GIMWALAYA- කහතුඩු ගිම්වලයා
The White-tailed Tropicbird Phaethon lepturus, is a tropicbird, smallest of three closely related seabirds of the tropical oceans and smallest member of the order Phaethontiformes. It occurs in the tropical Atlantic, western Pacific and Indian Oceans. It also breeds on some Caribbean islands, and a few pairs have started nesting recently on Little Tobago, joining the Red-billed Tropicbird colony. In addition to the tropical Atlantic, it nests as far north as Bermuda, where it is locally called a "Longtail".
The White-tailed Tropicbird breeds on tropical islands laying a single egg directly onto the ground or a cliff ledge. It disperses widely across the oceans when not breeding, and sometimes wanders far. It feeds on fish and squid, caught by surface plunging, but this species is a poor swimmer. The call is a high screamed keee-keee-krrrt-krrt-krrt.
The adult White-tailed Tropicbird is a slender, mainly white bird, 71–80 cm long including the very long central tail feathers, which double its total length. The wingspan is 89–96 cm, and there is a black band on the inner wing There is black through the eye and the bill is orange-yellow to orange red. The bill colour, pure white back and black wing bar distinguish this species from Red-billed.
Sexes are similar, although males average longer tailed, but juveniles lack the tail streamers, have a green-yellow bill, and a finely barred back.
MAALA GIRAWA- මාල ගිරවා
The Rose-ringed Parakeet(Psittacula krameri), also known as the Ring-necked Parakeet, is a gregarious tropical Afro-Asian parakeet species that has an extremely large range. Since the trend of the population appears to be increasing, the species was evaluated as Least Concern by IUCN in 2012.
In the wild, this is a noisy species with an unmistakable squawking call.
The Rose-ringed parakeet is sexually dimorphic. The adult male sports a red neck-ring and the hen and immature birds of both sexes either show no neck rings, or display shadow-like pale to dark grey neck rings.
In the wild, Rose-ringed parakeets usually feed on buds, fruits, vegetables, nuts, berries and seeds. Wild flocks also fly several miles to forage in farm lands and orchards causing extensive damage.
Rose-ringed Parakeets are popular as pets and they have a long history in aviculture. Both males and females have the ability to mimic human speech. First it listens to its surroundings,and then it copies the voice of the human speaker.
However, in some parts of South Asia—from where the Rose-ringed Parakeets originated—populations of these birds are decreasing due to trapping for the pet trade. Despite some people's attempts to revive their population by freeing these birdsfrom local markets, the Rose-ringed Parakeet's population has dropped drastically in many areas of Sri Lanka.
KALU THEMBILI RATH MESI MARA-කලු තැඹිලි රත් මැසි මාරා
The Black-and-orange Flycatcher (Ficedula nigrorufa) is a species of flycatcher,.
The male is distinctly black headed with black wings. The female has the black replaced by dark brown and has a light eye-ring. They are usually seen singly or in pairs. The young bird at around two weeks of age is brownish orange with a whitish vent and abdomen. The head has dark streaks and the wings appear bluish with a trace of brown. There is a pale ring around the eye and the orange tail appears stumpy. Eight weeks after fledging they appear almost like adults except for patches of brown feathers in the crown,.
The peak feeding activity of the birds is early in the morning and towards dusk. During these period they capture as many as 100 insects an hour whereas at mid-day they are half as efficient.
In the breeding season, March to May, these birds are very vocal and they have a repetitive "chee-ri-rirr" or a whistling song "whee-chee-ree-rirr". The feed on insects by flycatching low over the ground (under 2m height) and also pick insects from the ground. Territories are maintained by a pair throughout the year..
ALI MANAWA-අලි මනාවා
The Black-necked Stork(Ephippiorhynchus asiaticus) is a tall long-necked wading bird in the stork family. It is a resident species across South and Southeast Asia with a disjunct population in Australia. It lives in wetland habitats to forage for a wide range of animal prey. Adult birds of both sexes have a heavy billand are patterned in white and glossy blacks, but the sexes differ in the colour of the iris. In Australia, it is sometimes called a Jabiru although that name refers to a stork species found in the Americas. It is one of the few storks that is strongly territorial when feeding. In Sri Lanka, the species is a rare breeding resident, with 4–8 breeding pairs in Ruhuna National Park. It is exceedingly rare, and possibly extinct as a breeding bird,

They nest in large and isolated trees on which they build a platform. The nest is large, as much as 3 to 6 feet across and made up of sticks, branches and lined with rushes, water-plants and sometimes with a mud plaster on the edges. Nests may be reused year after year. The usual clutch is four eggs which are dull white in colour and broad oval in shape, but varies from 1–5 eggs..
DUM BONNA - දුම් බොන්නා
The Indian Roller (Coracias benghalensis), also called the Blue Jay in former times is a member of the roller family of birds. They are found widely across tropical Asia stretching from Iraq eastward across the Indian Subcontinent to Indochina and are best known for the aerobatic displays of the male during the breeding season. They are very commonly seen perched along roadside trees and wires and are commonly seen in open grassland and scrub forest habitats. It is not migratory, but undertakes some seasonal movements.
These birds are usually seen perched on prominent bare trees or wires. They descend to the ground to capture their prey which may include insects, arachnids, small reptiles (including Calotes versicolor and small snakes and amphibians. Fires attract them and they will also follow tractors for disturbed invertebrates.
The feeding behaviour of this roller and habitat usage are very similar to that of the Black Drongo. During summer, they may also feed late in the evening and make use of artificial lights and feed on insects attracted to them.
The display of this bird is an aerobatic display, with the twists and turns that give this species its English name. The breeding season is March to June, slightly earlier in southern India. Displays when perched include bill-up displays, bowing, allopreening, wing drooping and tail fanning. Holes created by woodpeckers or wood boring insects in palms are favoured for nesting in some areas. Nest cavities may also be made by tearing open rotten tree trunks or in cavities in building. The cavity is usually unlined and is made up mainly of debris from the wood. The normal clutch consists of about 3-5 eggs. The eggs are white and broad oval or nearly spherical. Both sexes incubate the eggs for about 17 to 19 days. The young fledge and leave the nest after about a month. Nearly 80% of the eggs hatch and fledge.
The call of the Indian Roller is a harsh crow-like chack sound. It also makes a variety of other sounds, including metallic boink calls. It is especially vociferous during the breeding season.