Monday, December 15, 2014

Kingfisher Bird Species in Sri Lanka

Kingfishers are a group of small to medium sized brightly colored birds in the order Coraciiformes. They have a cosmopolitan distribution, with most species found outside of the Americas. The group is treated either as a single family, Alcedinidae, or as a suborder Alcedines containing three families, Alcedinidae (river kingfishers), Halcyonidae (tree kingfishers), and Cerylidae (water kingfishers). There are roughly 90 species of kingfisher. All have large heads, long, sharp, pointed bills, short legs, and stubby tails. Most species have bright plumage with little differences between the sexes. Most species are tropical in distribution, and slight majorities are found only in forests. 

They consume a wide range of prey as well as fish, usually caught by swooping down from a perch. While kingfishers are usually thought to live near rivers and eat fish, most of the kingfisher species in the world live away from water and eat small invertebrates. Like other members of their order they nest in cavities, usually tunnels dug into the natural or artificial banks in the ground. A quarter of all kingfishers nest in disused termite nests. A few species, principally insular forms, are threatened with extinction. In Britain, the word 'kingfisher' normally refers to the common kingfisher.

In Sri Lanka we have seven species of kingfishers. They are the Pied Kingfisher (Ceryle rudis), the Common Kingfisher (Alcedo atthis), the Blue-eared Kingfisher (Alcedo meninting), the Oriental dwarf Kingfisher (Ceyx erithacus), the Stork-billed Kingfisher (Pelargopis capensis), the White-breasted Kingfisher (Halcyon smyrnensis) and the Black-capped Kingfisher (Halcyon pileata)

Pied Kingfisher

The pied kingfisher (Ceryle rudis) is a water kingfisher and is found widely distributed across Africa and Asia. Its black and white plumage, crest and the habit of hovering over clear lakes and rivers before diving for fish makes it distinctive. Males have a double band across the breast while females have a single gorget that is often broken in the middle. They are usually found in pairs or small family parties. When perched, they often bob their head and flick up their tail. This kingfisher is about 17 cm long and is white with a black mask, a white supercilium and black breast bands. The crest is neat and the upperparts are barred in black. Several subspecies are recognized within the broad distribution. The nominate race is found in sub-Saharan Africa, extending into West Asia. A former subspecies syriaca is considered as merely a larger northern bird of the nominate species. Subspecies leucomelanura is found from Afghanistan east into India, Sri Lanka, Thailand and Laos. The subspecies travancoreensis of the Western Ghats is darker with the white reduced. Subspecies C. r. insignis is found in Hainan and southeastern China and has a much larger bill. Males have a narrow second breast-band while females have a single broken breast band.


Common Kingfisher
The common kingfisher (Alcedo atthis) also known as Eurasian kingfisher, or river kingfisher, is a small kingfisher with seven subspecies recognized within its wide distribution across Eurasia and North Africa. It is resident in much of its range, but migrates from areas where rivers freeze in winter.
This sparrow-sized bird has the typical short-tailed, large-headed kingfisher profile; it has blue upperparts, orange underparts and a long bill. It feeds mainly on fish, caught by diving, and has special visual adaptions to enable it to see prey under water. The glossy white eggs are laid in a nest at the end of a burrow in a riverbank.
This species has the typical short-tailed, dumpy-bodied large-headed and long-billed kingfisher shape. The adult male of the western European subspecies, A. a. ispida has green-blue upperparts with pale azure-blue back and rump, a rufous patch by the bill base, and a rufous ear-patch. It has a green-blue neck stripe, white neck blaze and throat, rufous underparts, and a black bill with some red at the base. The legs and feet are bright red. It is about 16 centimeters (6.3 in) long with a wingspan of 25 cm (9.8 in), and weighs 34–46 grams (1.2–1.6 oz.)

Blue Eared Kingfisher
The blue-eared kingfisher (Alcedo meninting) is found in Asia, ranging across the Indian subcontinent and Southeast Asia. It is found mainly in dense shaded forests where it hunts in small streams. It is darker crowned, with darker rufous underparts and lacking the rufous ear stripe of the common kingfisher (Alcedo atthis) which is found in more open habitats. A number of subspecies have been described that differ in measurement and colour shade. Adult males have an all dark bill while females have a reddish lower mandible.
This 16 centimeters (6.3 in) long kingfisher is almost identical to the common kingfisher (Alcedo atthis) but is distinguished by the blue ear coverts, darker and more intense cobalt-blue upperparts with richer rufous under parts. The juvenile blue-eared kingfisher has rufous ear-coverts as in the common kingfisher but it usually shows some mottling on the throat and upper breast which disappears when the bird reaches adulthood. Young birds have a reddish bill with whitish tips.



Oriental dwarf Kingfisher

The Oriental dwarf kingfisher (Ceyx erithaca) also known as the black-backed kingfisher or three-toed kingfisher is a species of bird in the Alcedinidae family. This is a small, red and yellow kingfisher, averaging 13 cm (5.1 in) in length, yellow underparts with glowing bluish-black upperparts. This is a widespread resident of lowland forest, endemic across much of the Indian subcontinent and Southeast Asia. It is found in Bangladesh, Bhutan, Brunei, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Singapore, Sri Lanka and Thailand. The preferred habitat is small streams in densely shaded forests. In the Konkan region of southwest India, it begins to breed with the onset of the Southwest Monsoon in June. The nest is a horizontal tunnel up to a meter in length. The clutch of 4-5 eggs hatches in 17 days with both the male and female incubating. The birds fledge after 20 days and a second brood may be raised if the first fails. The young are fed with geckos, skinks, crabs, snails, frogs, crickets and dragonflies. The rufous-backed kingfisher is sometimes considered a subspecies.

Stork-billed Kingfisher
The stork-billed kingfisher (Pelargopsis capensis) (formerly Halcyon capensis), is a tree kingfisher which is widely but sparsely distributed in the tropical Indian subcontinent and Southeast Asia, from India to Indonesia. This kingfisher is essentially resident throughout its range. This is a very large kingfisher, measuring 35 to 38 cm (14 to 15 in) in length. The adult has a green back, blue wings and tail, and grey head. Its underparts and neck are buff. The very large bill and legs are bright red. The flight of the stork-billed kingfisher is labored and flapping, but direct. Sexes are similar. There are 15 races, mostly differing in plumage detail, but P. c. giganteaof the Sulu Islands has a white head, neck and underparts. The call of this noisy kingfisher is a low and far reaching peer-por-por repeated every 5 seconds or so as well cackling ke-ke-ke-ke-ke-ke.
Stork-billed kingfisher is a species of a variety of well-wooded habitats near lakes, rivers or coasts. It perches quietly whilst seeking food, and is often inconspicuous despite its size. It is territorial and will chase away eagles and other large predators. This species hunts fish, frogs, crabs, rodents and young birds.
Stork-billed kingfisher digs its nest in a river bank, decaying tree, or a tree termite nest. A clutch of two to five round white eggs is typical.


White Breasted Kingfisher

The white-throated kingfisher (Halcyon smyrnensis) also known as the white-breasted kingfisher or Smyrna kingfisher, is a tree kingfisher, widely distributed in Eurasia from Bulgaria, Turkey, West Asia east through the Indian subcontinent to the Philippines. This kingfisher is a resident over much of its range, although some populations may make short distance movements. It can often be found well away from water where it feeds on a wide range of prey that includes small reptiles, amphibians, crabs, small rodents and even birds. During the breeding season they call loudly in the mornings from prominent perches including the tops of buildings in urban areas or on wires.
This is a large kingfisher, 28 cm in length. The adult has a bright blue back, wings and tail. Its head, shoulders, flanks and lower belly are chestnut, and the throat and breast are white. The large bill and legs are bright red. The flight of the white-throated kingfisher is rapid and direct, the short rounded wings whirring. In flight, large white patches are visible on the blue and black wings. Sexes are similar, but juveniles are a duller version of the adult.
White-throated kingfisher is a common species of a variety of habitats, mostly open country in the plains (but has been seen at 7500 ft in the Himalayas) with trees, wires or other perches. The range of the species is expanding.
This kingfisher is widespread and populations are not threatened. Average density of 4.58 individuals per km2. Has been noted in the Sundarbans mangroves.

Black Capped Kingfisher
The black-capped kingfisher (Halcyon pileata) is a tree kingfisher which is widely distributed in tropical Asia from India east to China, Korea and Southeast Asia. This most northerly of the Halcyonidae is resident over much of its range, but northern populations are migratory and the wintering range extends to Sri Lanka, Thailand, Borneo and Java.
This is a large kingfisher, 28 cm in length. The adult has a purple-blue back, black head and shoulders, white neck collar and throat, and rufous underparts. The large bill and legs are bright red. In flight, large white patches are visible on the blue and black wings. Sexes are similar, but juveniles are a duller version of the adult. The call of this kingfisher is a cackling ki-ki-ki-ki-ki.
This is a common species on coastal waters especially in mangroves. Although easily disturbed, it perches conspicuously on wires or other exposed perches. This species mainly hunts large insects, but coastal birds will also take fish and frogs. The flight of the black-capped kingfisher is rapid and direct, the short rounded wings whirring.
The nest is a tunnel in an earth bank. A single clutch of 4-5 round white eggs is typical.

Pied Kingfisher


Common Kingfisher



Blue Eared Kingfisher


Oriental Dwarf Kingfisher



Black Capped Kingfisher



White Breasted Kingfisher


Stork Billed Kingfisher




No comments:

Post a Comment