Indian black ibis, Black ibis
The red-naped ibis (Pseudibis papillosa ) also known as the Indian black ibis or black ibis is a species of ibis found in the plains of the Indian Subcontinent. Unlike other ibises in the region it is not very dependent on water and is often found in dry fields a good distance away from water. It is usually seen in loose groups and can be told by the nearly all dark body with a white patch on the shoulder and a bare dark head with a patch of crimson red warty skin on the crown and nape. It has a loud call and is noisy when breeding. It builds its nest most often on the top of a large tree or palm.
The Tamil Sangam literature mentions a bird called the "anril " which was described as having a curved bill and calling from atop palmyra palms (Borassus flabellifer ). Madhaviah Krishnan identified the bird positively as the black ibis and ruled out contemporary suggestions that this was a sarus crane. He based his identification on a line that mentions the arrival of anrils at dusk and calling from atop palmyra palms. He also pointed out ibises to locals and asked them for the name and noted that a few did refer to it as anrils. Sangam poetry also mentions that the birds mated for life and always walked about in pairs, one of the leading reasons for others to assume that this was the sarus crane, a species that is not found in southern India.
A number of names in Sanskrit literature including "kālakaṇṭak" have been identified as referring to this species. Jerdon noted the local names of "karankal" and "nella kankanam" in Telugu and "buza" or "kālā buza" in Hindi.
In British India, sportsmen referred to the species as the "king curlew", "king ibis" or "black curlew" and it was considered good eating as well as sport for falconers (using the Shaheen falcon). They would race and soar to escape falcons.
An omnivore is an animal that has the ability to eat and survive on both plant and animal matter. Obtaining energy and nutrients from plant and ani...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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CongregatoryCongregatory animals tend to gather in large numbers in specific areas as breeding colonies, for feeding, or for resting.
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
Soaring birds can maintain flight without wing flapping, using rising air currents. Many gliding birds are able to "lock" their extended wings by m...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withThe red-naped ibis is a large black bird with long legs and a long downcurved bill. The wing feathers and tail are black with blue-green gloss while the neck and body are brown and without gloss. A white patch on the shoulders stands out and the top of the featherless head is a patch of bright red warty skin. The warty patch, technically a caruncle, is a triangular patch with the apex at the crown and the base of the triangle behind the nape that develops in adult birds. The iris is orange red. Both sexes are identical and young birds are browner and initially lack the bare head and crown. The bills and legs are grey but turn reddish during the breeding season. The toes have a fringing membrane and are slightly webbed at the base.
They are usually silent but call at dawn and dusk and more often when nesting. The calls are a series of loud braying, squealing screams that descend in loudness.
This species can be confused with the glossy ibis when seen at a distance but the glossy ibis is smaller, more gregarious, associated with wetlands and lacks the white on the wing and has a fully feathered head.
The red-naped ibis is widely distributed in the plains of the Indian Subcontinent. The habitats this bird is found at is lakes, marshes, riverbeds and on irrigated farmlands. It is gregarious and generally forages on margins of wetlands in small numbers. It is a common breeding resident in Haryana and Punjab and the Gangetic plain. It extends into southern India but is not found in the forested regions or the arid zone of the extreme southeast of the peninsula or Sri Lanka.
The red-naped ibis roosts communally on trees or on islands.
The red-naped ibis is omnivorous, feeding on carrion, insects, frogs, and other small vertebrates as well as grain. They forage mainly in dry open land and stubbly fields, sometimes joining egrets and other birds on land being tilled to feed on disturbed insects and exposed beetle grub. They walk and like other tactile-feeding ibises, probe in the soft ground. The rarely wade in water but have been observed seeking out frogs hiding in crab holes. They sometimes feed at garbage dumps. During droughts they are known to feed on carrion and insect larvae feeding on meat. They also feed on groundnut and other crops. In British India, indigo planters considered them useful as they appeared to consume a large number of crickets in the fields.
Ibises roost in groups and fly to and from the regularly used roost site in "V" formation.
Red-naped ibises usually nest individually and not in mixed species heronries. They very rarely form small colonies consisting of 3-5 pairs in the same tree. The breeding season is variable but most often between March and October and tending to precede the monsoons. When pair-bonding, females beg for food from the males at foraging grounds. Males also trumpet from the nest site. The nests are mainly large stick platforms that are 35-60 centimetres in diameter and about 10-15 centimetres deep. Old nests are reused as are those of kites and vultures. The nests are loosely lined with straw and fresh material to the nest is added even when the eggs are being incubated. The nests are usually at a height of 6–12 metres above ground, on banyan (Ficus benghalensis ) or peepal (Ficus religiosa ) trees, often close to human habitation. In recent times they have also taken to nesting on powerline pylons in Gujarat. Pairs copulate mainly when perched on trees. The eggs are 2–4 in number and pale bluish green in colour. They are sparsely flecked and have pale reddish blotches. Both male and female red-naped ibis incubate the eggs which hatch after 33 days.
The species has declined greatly in Pakistan due to hunting and habitat loss. The species has been largely unaffected in India and they are traditionally tolerated by farmers.
The species is considered to be secure in the wild but a few zoos including the ones at Frankfurt, Singapore (Jurong park) have successfully bred the species in captivity. An individual lived in captivity at Berlin zoo for 30 years.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...