It is droughttolerant even during establishment and can withstand up to 7 months of dry season. Oxyura leucocephala wikipedia an piemonteis, lenciclopedia. Induction of fine roots in leucaena leucocephala using. Leucaena leucaena leucocephala vro agriculture victoria.
Whiteheaded duck oxyura leucocephala birds of the world. Head white, with black centre of crown, neck blackish lower neck, breast, body reddish brown, shading to greybuff on central abdomen and undertail coverts, and greyish on scapulars and uppertail coverts tail black wing greybrown variations if present female. Whiteheaded ducks oxyura leucocephala are the only stifftail oxyurinii native to the. Whiteheaded duck oxyura leucocephala, hens with broods did use nest structures for at least 12 days after hatching.
An leucaena leucocephala in nahilalakip ha genus nga leucaena, ngan familia nga fabaceae subspecies. The whiteheaded duck oxyura leucocephala is one of the most threatened duck species in the world. Ornamental uses include windbreaks, shade trees, and erosion control. This autumn, between and 16 september 2016, more than 20,000 birds in three huge flocks were. Whiteheaded ducks oxyura leucocephala are the only stifftail oxyurinii native to the palearctic. The whiteheaded duck leucocephala oxyura is a globally threatened species currently classified as vulnerable world conservation monitoring centre 1990 it is the only stifftail oxyurini. The whiteheaded duck oxyura leucocephala has undergone a considerable decline in range and population size this century, with the destruction and degradation of habitat and hunting being the causes. Oxyura leucocephala scopoli, 1769 oxyura leucocephala.
Leucaena leaf meal may be included at 25% when supplementing a diet based on cassava peels and gliricidia sepium and at 3040% when rabbits are fed with arachis pintoi. Plants profile for leucaena leucocephala leucocephala. Aug 03, 20 diurnal activity budget and breeding ecology of the whiteheaded duck oxyura leucocephala at lake tonga northeast algeria. In south africa it is declared a category 2 weed in the western cape and a category 2 weed.
Whiteheaded duck oxyura leucocephala check out the full taxonomy and distribution of whiteheaded duck on hbw alive. Final draft international single species action plan for. This plant extensively forms nodules to perform symbiotic process. Ini nga species ginbahin ha masunod nga subspecies. Brood feeding activity varied with the time of day fig. Ducklings fed extensively during the early morning 06000700, but. The whiteheaded duck oxyura leucocephala is a small stifftailed duck some 45 cm 18 in. Pdf the whiteheaded duck oxyura leucocephala has undergone a considerable decline in range and population size this century, with the.
The status of the whiteheaded duck oxyura leucocephala. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Currently considered globally endangered, with a population estimated at no more than c. Leucaena leucocephala ufifas center for aquatic and. Whiteheaded ducks can also be found in parts of the oriental region and the ethiopian region. Diurnal activity and breeding ecology of the whiteheaded. The main causes of the decline in range have been wetland drainage, hunting, disturbances, pesticides and egg and juveniles predation from rats and dogs. Preference of the whiteheaded duck oxyura leucocephala for wastewater reservoirs in israel e. Whiteheaded duck oxyura leucocephala nigel key whiteheaded duck slimbridge may 2014 the whiteheaded duck is a small stifftailed duck from spain, north america, western and central asia. The project will be implemented in barabinskaya lowland, the southeast part of western siberia. The text of this page is licensed under the creative commons attributionnoncommercial license version 3. Ginklasipika han iucn an species komo nangangaratan.
Pdf the status of the whiteheaded duck oxyura leucocephala. In australia, it has naturalised in many areas and on a number of offshore islands. All structured data from the file and property namespaces is available under the creative commons cc0 license. Leucaena is a longlived perennial legume around 23 year halflife in difficult conditions in australia.
Oxyura leucocephala scopoli, 1769 animalia chordata aves anseriformes anatidae common names. Diurnal activity budget and breeding ecology of the whiteheaded duck oxyura leucocephala at lake tonga northeast algeria. The female has a dark bill and rather duller colouring. Conservation of whiteheaded duck oxyura leucocephala. They are extremely aquatic and do best on large ponds of variable depth, with clean, deep water and plenty of natural food available in the form of marginal aquatic plants, while a muddy pond bottom will provide food items such as tubifex worms.
The diets of the whiteheaded duck oxyura leucocephala, ruddy duck o. Leucaena is not a prohibited or restricted invasive plant under the biosecurity act 2014. Status overview and recommendations for conservation of. I took these footages with hasselblad superachromat 250mm lens that is attached to sony ax100 camcorder via showtime adapter. Status overview and recommendations for conservation of the. Common names include white leadtree, 5 jumbay, river tamarind, subabul, 6 and white popinac. The greatest threat, however, now comes from hybridization and competetion with the ruddy duck oxyura jamaicensis. Leucaena leucocephala is a small fastgrowing mimosoid tree native to southern mexico and northern central america belize and guatemala and is now naturalized throughout the tropics common names include white leadtree, jumbay, river tamarind, subabul, and white popinac l. Status overview and recommendations for conservation of the whiteheaded duck in central asia 35 the species breeds in small numbers in wetlands of the great lakes basin. Lead tree was most likely distributed by man because of its many uses. Whiteheaded duck oxyura leucocephala videos, photos and.
The aim of the project is to contribute to the development of the local work in studying and conservation of oxyura leucocephala in barabinskaya lowland. Population structure and loss of genetic diversity in the. I took these footages with hasselblad superachromat 250mm lens that is attached to sony. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, featured multimedia factfiles for more than 16,000 endangered species. May 11, 2020 whiteheaded duck oxyura leucocephala check out the full taxonomy and distribution of whiteheaded duck on hbw alive. This duck breeds in spain and north africa, with a larger population in western and central asia. Oxyura jamaicensis ruddy duck threatens the globally endangered whiteheaded duck see oxyura leucocephala in iucn red list of threatened species with extinction through introgressive hybridisation and competition. This revised international single species action plan for the conservation of the whiteheaded duck oxyura leucocephala was prepared in the framework of the life eurosap project life14 preuk000002, cofinanced by the european commission directorate general for the environment, the agreement on the. In this relation it is required to create a webresource combining all completeness of the.
Unless heavily grazed or otherwise controlled, leucaena can spread rapidly to adjacent areas. The whiteheaded duck breeds principally in small, shallow. The spanish population has recently recovered rapidly after. The global population, which was probably over 100 000 in the early twentieth century, has decreased to 8 000 000 individuals in 2002. Hbw alive contains information on descriptive notes, voice, habitat, food and feeding, breeding, movements, status and conservation plus a list of bibliographical references for this species account.
An oxyura leucocephala in uska species han aves nga syahan ginhulagway ni giovanni antonio scopoli hadton 1769. Recommended english names, princeton university press, isbn. The whiteheaded duck, oxyura leucocephala, is the only sti. Media in category oxyura leucocephalathe following 29 files are in this category, out of 29 total. Oxyura species oxyura leucocephala name synonyms anas leucocephala scopoli, 1769 homonyms oxyura leucocephala scopoli, 1769 common names ahate buruzuria in basque gobbo rugginoso in italian gobbo rugginoso in italian hvidhovedet skarveand in danish. Green aj, hughes b 1996 action plan for the whiteheaded duck oxyura leucocephala in europe. Description mediumsized duck l 45 cm, unmistikable because of it shape and colour. Malvasia european red list assessment european red list status en endangered, iucn version 3.
This is the most detailed study to date of oxyura diet in the. The diets of the whiteheaded duck oxyura leucocephala, ruddy. Preference of the whiteheaded duck oxyura leucocephala. The whiteheaded duck oxyura leucocephala is the only stifftail oxyurini indigenous to the palearctic. Leucocphala forms dense monospecific thickets, which, although relatively open, are often free of other vegetation and threaten endangered specieswithout good statewide mapping it was impossible within this study to correlate leucaena infestations with possible impacts on rare and threatened species or. Male in full plumage has white head and a bright blue, almost grotesquely swollen bill, which is smaller and greyer in summer. Wetlands international global series 15, kuala lumpur, malaysia. Wildscreens arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth. Oxyura leucocephala scopoli, 1769 birdlife international. Whiteheaded duck oxyura leucocephala birdlife species. Download fulltext pdf the status of the whiteheaded duck oxyura leucocephala article pdf available in bird conservation international 203. This autumn, between and 16 september 2016, more than 20,000 birds in three huge flocks were estimated to be present at. The whiteheaded duck oxyura leucocephala is a small stifftailed duck some 45 cm 18 in long. Leucaena leucocephala is a weed of open often coastal or riverine habitats, seminatural, disturbed, degraded habitats and other ruderal sites.
Moyal preference of the whiteheaded duck oxyura leucocephala for wastewater reservoirs in the judean plain, israel ezra hadad1 and chaim moyal2 the whiteheaded duck oxyura leucocephala, which bred in israel until the 1960s, began to winter there from the 1980s onwards. Its breeding habitat is lakes with open water and dense vegetation at the margin. Ducklings fed extensively during the early morning 06000700, but infrequently during midmorning. Status overview and recommendations for conservation of the whiteheaded duck oxyura leucocephala in central asia. Leucaena leucocephala is more palatable than arachis pintoi nieves et al. Preference of the whiteheaded duck oxyura leucocephala for. Oxyura leucocephala whiteheaded duck animal diversity web. Population structure and loss of genetic diversity in the endangered whiteheaded duck, oxyura leucocephala violeta mun. The whiteheaded duck dives underwater for food and is a reluctant flier, prefering to swim for cover if disturbed. Files are available under licenses specified on their description page. Probably introduced into the philippines in the 16th century as a feed for ruminant livestock.
Risk assessment for leucaena leucocephala from the government of queensland, australia pdf format. The male has a white head with black crown, a blue bill, and reddishgrey plumage. Leucaena leucocephala is a versatile leguminous plant which has been determined as a potential slope plant parera, 1982. Conservation of oxyura leucocephala in barabinskay lowland russia evgeniy murzakhanov. The whiteheaded duck is dependent on water more than most other duck species, being more. Action plan for the whiteheaded duck oxyura leucocephala in. Mexico and central america is the native range of lead tree, or leucaena leucocephala. It was assigned to the category of a serious or widespread weed invading seminatural or natural habitats which are of some conservation interest by cronk and fuller 1995 and as a category ii weed a species which has a local distribution but. Leucaena leucocephala is a small fastgrowing mimosoid tree native to southern mexico and northern central america belize and guatemala and is now naturalized throughout the tropics. Final report of project conservation of whiteheaded duck oxyura leucocephala in barabinskay lowland russia. Department of agriculture agricultural research service. Leucaena is listed as a weed in new guinea, hawaii, western polynesia and the usa. Leucaena leucocephala can replace alfalfa scapinello et al. Conservation of oxyura leucocephala in barabinskay lowland.
It is known that ruddy duck x whiteheaded duck hybrids are fertile to the second generation in captivity, which poses an. The largest populations of whiteheaded ducks are found in russia, kazakhstan, turkey, iran, afghanistan, tajikistan, turkmenistan, uzbekistan, armenia, and mongolia. Conservation of the whiteheaded duck oxyura leucocephala. Action plan for the whiteheaded duck oxyura leucocephala. It was assigned to the category of a serious or widespread weed invading seminatural or natural habitats which are of some conservation interest by cronk and fuller 1995 and as a category ii weed a species which has a local. The spanish population has recently recovered rapidly after being near to extinction in the 1970s. An oxyura leucocephala in nahilalakip ha genus nga oxyura, ngan familia nga anatidae. Hydrocotyle leucocephala in the germplasm resources information network grin, u.