Langschwanz-Erdracke ( Uratelornis chimaera )
Long-tailed Ground Roller
Uratelornis chimaeraThe Long-tailed Ground Roller (Uratelornis chimaera) is a species of bird in the family Brachypteraciidae, and is placed in the monotypic genus Uratelornis. This bird is endemic to arid spiny forest near the coast in southwestern Madagascar. It occurs in extremely low population densities throughout its habitat. It requires shade and a deep layer of leaves in its habitat, and it is absent from parts of the spiny forest lacking these traits. It has no recognized subspecies, and its closest relative is believed to be the Scaly Ground Roller. The Long-tailed Ground Roller is the only ground roller to definitively display sexual dimorphism, or differences in plumage or size between sexes. It is a medium-sized bird with a plump silhouette and a long tail. The upperparts are dark brown with black streaks while the underparts are light gray. The white throat is framed by black malar stripes and a black breastband, while a white stripe is present at the base of the bill. Sky blue feathers are visible at the edge of the wings and the tail. Calls are rarely made outside of the breeding season, though multiple territorial calls are made. These ground rollers feed primarily on invertebrates, ranging from worms to butterflies. The bird searches through deep leaf litter for its prey or waits attentively for an opportunity. Its wings are relatively weak, so the ground roller primarily uses its strong legs to run through its habitat. The Long-tailed Ground Roller is a monogamous species, and defends a territory during the breeding season of October to February. The species digs a tunnel in the sand, at the end of which is a wider chamber where it makes its nest out of leaves and earthy pellets. Two to four eggs are laid. After the chicks fledge, the birds continue living in family groups for an unknown period of time after the breeding season before dispersing across the habitat. This species is classified as Vulnerable, and is threatened by habitat destruction. The arid spiny forests in which it lives are unprotected by the Madagascan government, and as such the species is losing habitat to slash-and-burn agriculture, charcoal collection, and logging. The species is also hunted by the native peoples of Madagascar.
The Long-tailed Ground Roller is largely terrestrial. The Long-tailed Ground Roller is the only ground roller to definitively display sexual dimorphism. It is highly distinctive from a distance due to its long tail and plump silhouette. The bird is long, although its tail can contribute up to of the length. This tail is the longest of the ground rollers. The male has a sandy buff crown and dark brown upperparts with black streaks. Its supercilium is a pale buff color, while the ear-coverts are brown. The eyes are brown and the short and stout beak is black. Its tongue is long with a brush-like tip to help it collect insects. A white stripe is present from the base of the bill and is surrounded by brown and black . These malar stripes and the black breastband frame a white throat. The tail has 15 to 20 dark brown bars marking it, while the outer retrices are sky blue. This sky blue is also present on the wing-coverts. In flight, its two black and white bands on the primaries and secondaries are conspicuous. The underparts are a light gray, and the breast white. The toes are zygodactylous, with the first and fourth toes turned outwards and the middle two toes turned inward. Additionally, the female Long-tailed Ground Roller loses its tail while nesting. Juveniles of both sexes are duller in plumage than the adult female, particularly in the black bands on the chest, neck, and eye. This ground roller is largely a silent species except during the breeding season. Its vocalizations include a "hooting" sound, a "popping" tu-tuc, and a soft boo sound. The territorial call is a series of soft "boo" notes, typically coming in sets of six to ten and descending near the end. Another territorial call has been described as a series of chuckling tu-tuc sounds lasting between 10 and 40 seconds that occasionally ends in a loud snapping sound produced by the wings. This call is given when birds are close to each other and on the ground or low perches and does not carry over long distances. The use of wing-snapping to produce a sound is a rare phenomenon in birds, and only one other family in the order Coraciiformes, the todies, is known to do it. Low "gu" notes are given by mates as they come in contact with each other.
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Long-tailed Ground Roller - Wikipedia, the free encyclopedia The Long-tailed Ground Roller (Uratelornis chimaera) is a species of bird in the family Brachypteraciidae, and is placed in the monotypic genus Uratelornis. This bird ... en.wikipedia.org/wiki/Uratelornis_chimae... Long-tailed ground roller ( Uratelornis chimaera ) Ground rollers are a group of birds found only in Madagascar. Some experts place them in their own family, Brachypteraciidae, alth... www.arkive.org/long-tailed-ground-roller... Uratelornis chimaera - Avibase Photo powered by flickr.com. Order: Coraciiformes Family: Brachypteraciidae. English: Long-tailed Ground-Roller Scientific: Uratelornis chimaera avibase.bsc-eoc.org/species.jsp?avibasei... ARKive - Long-tailed ground roller photo - Uratelornis chimaera ... Rear view of a long-tailed ground roller - View amazing Long-tailed ground roller photos - Uratelornis chimaera - on ARKive www.arkive.org/long-tailed-ground-roller... Long-tailed Ground-roller (Uratelornis chimae ra) - BirdLife ... Justification This species is classified as Vulnerable because there is an ongoing decline in the quality and extent of its habitat, the rate of which is increasing ... www.birdlife.org/datazone/speciesfactshe... Animal Pictures Archive: Animal Photo Album - Longnose chimaera Longnose chimaera; Chimaera; Chimaera monstrosa; Uratelornis chimaera; Dermotherium chimaera; Chimaera phantasma; Silver chimaera; Spearnose chimaera; Narrownose chimaera ... www.animalpicturesarchive.com/list.php?q... Long-tailed Ground Roller (Uratelornis chimaera ) - photo/images ... Country Checklists, World Checklist. A site with World species of birds, mammals, insects, butterflies, dragonflies and plants, flowers. Keep track on yor ticks in ... www.globaltwitcher.com/artspec.asp?thing... Long-tailed Ground-Roller Uratelornis chimaera This is the Long-tailed Ground-Roller (Uratelornis chimaera) multimedia field guide page of the Mangoverde World Bird Guide. www.mangoverde.com/birdsound/spec/spec94... Birds on stamps: Madagascar Madagaskar A listing of bird stamps from Madagascar ... 8f: 91: Long-tailed Ground Roller Uratelornis chimaera : 15f: 91 www.birdtheme.org/country/madagasc.html Brachypteraciidae - ground-rollers | Wildlife Journal Junior Long-tailed Ground-roller - Uratelornis chimaera The long-tailed ground-roller is found in a narrow strip of land in south-west coast of Madagascar. nhptv.org/wild/brachypteraciidae.asp | Birds on stamps: French Antarctic Territory Antarctique ... King Penguin Aptenodytes patagonicus : and: 91: Long-tailed Ground Roller Uratelornis chimaera : and: 66: Kelp Gull Larus dominicanus www.birdtheme.org/country/frenchan.html * Chimaera - (Animals): Definition Uratelornis chimaera [sw. Madagascar] Of all the great birds in Madagascar, this is the one that captured my imagination 25 years ago. It is the strangest of this Malagasy ... en.mimi.hu/animals/chimaera.html Birds, birding and bird watching hotspots in Madagascar ... of Madagascar’s strangest, most sought-after and most threatened endemics, including Subdesert Mesite Monias benschi and Long-tailed Ground Roller Uratelornis chimaera. www.africanbirdclub.org/countries/Madaga... Birds, birding and bird watching species in Madagascar Uratelornis chimaera: Velvet Asity: Philepitta castanea: Schlegel’s Asity: Philepitta schlegeli: Wattled Asity: Neodrepanis coruscans: Yellow-bellied Asity www.africanbirdclub.org/countries/Madaga... Ground roller - Wikipedia, the free encyclopedia Genus Uratelornis. Long-tailed Ground Roller, Uratelornis chimaera; Genus Atelornis. Pitta-like Ground Roller, Atelornis pittoides; Rufous-headed Ground Roller, Atelornis ... en.wikipedia.org/wiki/Brachypteraciidae Long-tailed Ground-Roller Pictures The month has basically been a great one with lots of memorable sightings ... Long -tailed Ground -Roller - Uratelornis chimaera Web 472x300 (34kb) www.picsearch.com/pictures/animals/birds... Endangered Birds of Madagascar - RM Learning Alive Long-tailed Ground-roller Uratelornis chimaera - Madagascar Distribution: South-west Madagascar. Habitat: Spiny Forest. Numbers: atschool.eduweb.co.uk/jblincow/endanger/... ground roller (bird) -- Britannica Online Encyclopedia Four species inhabit deep forest; one, the long-tailed ground roller (Uratelornis chimaera), confined to a small desert in southwestern Madagascar, is nearly extinct. www.britannica.com/EBchecked/topic/24695... Conservation issues and priorities in the Mikea Forest of south ... For example, it hosts the only populations of two threatened endemic bird species: the long-tailed ground-roller Uratelornis chimaera (Plate 1) and the sub-desertmesite ... www.neomorphus.com/work/NPDF/Seddonetal2... Nick Garbutt: Published Work Long-tailed Ground Roller (Uratelornis chimaera) May 2001 Diademed Sifaka (Propithecus diadema) August 2000 Below is a selection of some of Nick's ... nickgarbutt.com/published-work |
