The Gray Hawk (Buteo Nitidus) is Two Species
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چکیده
منابع مشابه
Visceral gout in a rough legged hawk (Buteo lagopus).
Visceral gout is reported for the first time in a rough legged hawk (Buteo lagopus). Urate crystals were present on the pericardium, thoracic and abdominal air sacs, and the ventral surface of the liver. The liver and spleen also had urate crystals throughout the parenchyma. There was no indication of articular or renal involvement. The immediate cause of death in this hawk was not identified, ...
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Fault bars are common stress-induced feather abnormalities that could produce feather damage thus reducing flight performance. For that reason, it has been hypothesized that birds may have evolved adaptive strategies that reduce the costs of fault bars (the ‘fault bar allocation hypothesis’). An untested prediction of this hypothesis is that fault bars in important feathers for flight (wing and...
متن کاملPhylogeography of the Galápagos hawk (Buteo galapagoensis): a recent arrival to the Galápagos Islands.
Galápagos hawks (Buteo galapagoensis) are one of the most inbred bird species in the world, living in small, isolated island populations. We used mitochondrial sequence and nuclear minisatellite data to describe relationships among Galápagos hawk populations and their colonization history. We sampled 10 populations (encompassing the entire current species range of nine islands and one extirpate...
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An increased susceptibility to disease is one hypothesis explaining how inbreeding hastens extinction in island endemics and threatened species. Experimental studies show that disease resistance declines as inbreeding increases, but data from in situ wildlife systems are scarce. Genetic diversity increases with island size across the entire range of an extremely inbred Galápagos endemic bird, p...
متن کاملLichen nitidus.
E688 CMAJ, December 9, 2014, 186(18) © 2014 Canadian Medical Association or its licensors A previously healthy eight-year-old girl presented with a 9to 12-month history of a papular eruption on her arms and back that was slightly pruritic. Her medical and family histories were otherwise unremarkable. Physical examination showed multiple flat-topped papules over the extensor surfaces of her back...
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ژورنال
عنوان ژورنال: The Condor
سال: 2011
ISSN: 0010-5422,1938-5129
DOI: 10.1525/cond.2011.100089