Irediparra on:
[Wikipedia]
[Google]
[Amazon]
The comb-crested jacana (''Irediparra gallinacea''), also known as the lotusbird or lilytrotter, is the only species of jacana in the genus ''Irediparra''. Like other jacana species, it is adapted to the floating vegetation of tropical freshwater wetlands.
This species is unmistakable. It has a black crown and hindneck with a fleshy red wattle covering the forehead and forecrown, contrasting with a white face and throat. The comb is pinker in breeding adults, more orange when not breeding. There is a broad black band on the lower breast with white belly. The underwing and flight feathers, which show most prominently in flight, are black. Back and upperwing mainly grey-brown with black primary coverts, rump and tail. The long legs with extremely long toes trail in flight. The male is slightly smaller than the female and measures in length and weighs . The female measures in length and weighs .''CRC Handbook of Avian Body Masses'' by John B. Dunning Jr. (Editor). CRC Press (1992), . The wingspan ranges from .
Description
This species is unmistakable. It has a black crown and hindneck with a fleshy red wattle covering the forehead and forecrown, contrasting with a white face and throat. The comb is pinker in breeding adults, more orange when not breeding. There is a broad black band on the lower breast with white belly. The underwing and flight feathers, which show most prominently in flight, are black. Back and upperwing mainly grey-brown with black primary coverts, rump and tail. The long legs with extremely long toes trail in flight. The male is slightly smaller than the female and measures in length and weighs . The female measures in length and weighs .''CRC Handbook of Avian Body Masses'' by John B. Dunning Jr. (Editor). CRC Press (1992), . The wingspan ranges from .
Distribution and habitat
The bird occurs in south-easternBorneo
Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and ea ...
, the southern Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
, Sulawesi, Moluccas
The Maluku Islands (; Indonesian: ''Kepulauan Maluku'') or the Moluccas () are an archipelago in the east of Indonesia. Tectonically they are located on the Halmahera Plate within the Molucca Sea Collision Zone. Geographically they are located ...
, Lesser Sunda Islands, north and south-east New Guinea
New Guinea (; Hiri Motu: ''Niu Gini''; id, Papua, or , historically ) is the world's second-largest island with an area of . Located in Oceania in the southwestern Pacific Ocean, the island is separated from Australia by the wide Torr ...
, New Britain (Lake Lalili), and northern and eastern Australia. Its habitat are large freshwater wetland
A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The p ...
s, swamps and lakes with abundant floating vegetation, such as water-lilies or water hyacinth, forming a mat on the water surface which it is able to walk on. Although the species is rare and localised it is not globally threatened.
Behaviour
General Behaviour
The comb-crested jacana walks slowly and deliberately. It often congregates in flocks. When disturbed, it flies low over water and lands again on open vegetation.Breeding
The comb-crested jacana ispolyandrous
Polyandry (; ) is a form of polygamy in which a woman takes two or more husbands at the same time. Polyandry is contrasted with polygyny, involving one male and two or more females. If a marriage involves a plural number of "husbands and wive ...
. It builds a flimsy nest on floating or emergent vegetation, in which the female lays four lustrous, pale brown eggs covered by black markings. Only males incubate. The young hatch well-developed and soon leave the nest.
Feeding
It eats seeds and aquaticinsect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three ...
s gleaned from floating vegetation on the water surface.
Voice
This species gives a squeaky, high-pitched chittering, also described as a shrill trill with an explosive soft bugle.References
National Photographic Index of Australian Wildlife
The National Photographic Index of Australian Wildlife was founded as a project of the Australian Museum on 3 June 1969 (as the National Photographic Index of Australian Birds) to compile a comprehensive collection of photographs of Australian bir ...
. (1987). ''The Shorebirds of Australia''. Angus & Robertson: Sydney.
{{Taxonbar, from=Q517676
comb-crested jacana
The comb-crested jacana (''Irediparra gallinacea''), also known as the lotusbird or lilytrotter, is the only species of jacana in the genus ''Irediparra''. Like other jacana species, it is adapted to the floating vegetation of tropical freshwat ...
Birds of Australia
Birds of Indonesia
Birds of New Guinea
Birds of the Philippines
Birds of Borneo
Birds of the Lesser Sunda Islands
Birds of the Maluku Islands
Birds of New Britain
comb-crested jacana
The comb-crested jacana (''Irediparra gallinacea''), also known as the lotusbird or lilytrotter, is the only species of jacana in the genus ''Irediparra''. Like other jacana species, it is adapted to the floating vegetation of tropical freshwat ...
Taxa named by Coenraad Jacob Temminck