The hooded grebe
WebDec 1, 2012 · The results show that at present Hooded Grebes are highly dependent on a few suitable lakes where they congregate to breed, and possible causes for the decline of the population are analysed and conservation actions to protect this species are proposed. Summary We estimated the present population size of the Hooded Grebe Podiceps … WebJul 22, 2016 · The Hooded Grebe ( Podiceps gallardoi) is endemic to Santa Cruz Province, Argentina (Roesler 2015 ). The species has declined by 80 % in the last 25 years and there are now less than 400 reproductive pairs remaining; the species was therefore up-listed to Critically Endangered in 2012 (Birdlife International 2013 ).
The hooded grebe
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WebNov 26, 2024 · Hooded grebes live only in Santa Cruz Province, where they were discovered in 1974. In the 1980s, their population numbered around 5,000. But since then, a lethal combination of climate change—which is transforming Patagonia—and competition with invasive species has reduced their population by more than 80%. WebMay 30, 2024 · These birds really know how to step up their courtship game.
WebFeb 16, 2024 · The Hooded Grebe ( Podiceps gallardoi) performs an elaborate dance with its mate. It’s a rarely seen courtship ritual that was captured by Michael and Paula Webster … WebMar 9, 2012 · The Hooded Grebe Podiceps gallardoi has been uplisted to globally ‘Endangered’ recently mainly because of the rapid population decline suffered within the last 20 years due to factors such as nest depredation by Kelp Gull Larus dominicanus as well as destruction of colonies by wind and lake desiccation. During a census of Hooded Grebes …
WebGrebes are widely distributed freshwater birds, with some species also found in marine habitats during migration and winter. Most grebes fly, although some flightless species … WebBirdLife Species Champion: Ben Olewine and Steve & Britt Thal. BirdLife Species Guardian: Aves Argentina (AOP) Population size: 650-800. Population trend: Stable. Extent of …
WebJan 22, 2024 · The hooded grebe is a curious species that's in danger of extinction. This bird migrates during the winter, since the lagoons it lives in freeze. Some animals are known …
http://datazone.birdlife.org/species/factsheet/22696628 a ideologia alemã marx pdfWebMar 5, 2024 · The birds move up here in the summer months after wintering out to sea off the east coast of Patagonia. Encouragingly, the previous season had seen a high productivity rate among the breeding grebes. However, the plateau does have its downfalls. Both Kelp Gulls and American Mink are known to predate both adults and juveniles. aide opco contrat de professionnalisationhttp://www.edgeofexistence.org/species/hooded-grebe/ aiden zhane tattooWebMar 21, 2024 · The Hooded Grebe (Podiceps gallardoi) is an endemic species. Discovered by science in 1974, this diver inhabits lakes of the Patagonia plateaus in the province of Santa Cruz. During the winter, they migrate to the Atlantic coast of the same province in the estuaries of the Santa Cruz, Coyle and Rio Gallegos rivers. 40 years after its discovery ... aide permis b alternantWebDiscovered by accident in 1974 by the famed Argentine ornithologist Maurice Rumboll, the hooded grebe nests on lakes and lagoons of Patagonia’s windswept plateaus. Declared … a ideologia alemã marx e engelsWebIn the short time since, the Hooded Grebe has become one of the most endangered birds in Patagonia. The divers breed exclusively on wind-battered lakes in the shadow of the … aide pergola solaireWebFeb 7, 2006 · Grebe is the common name for members of the family Podicipedidae, aquatic birds with almost worldwide distribution. Grebes are generally thought to be most closely related to loons . Twenty-two species are known, including the recently described hooded grebe ( Podiceps gallardoi ), discovered in 1974 in southern Argentina. aide-permis region idf