Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Gypohierax angolensis"'
Autor:
Clive R. Barlow
Publikováno v:
Vulture News. 79:32-37
Groups of the Hooded Vulture Necrosyrtes monachus were observed pick feeding at small piles of boiled and crushed African Oil Palm Elaeis guineensis fruit at the south Gambian village of Marakissa (16.39044°N, 13.12055°W) on several occasions in th
Autor:
Boano, Giovanni, Belemsobgo, Urbain, Silvano, Fabrizio, Hema, Emmanuel M., Belemsobgo, Aristide, Dimobe, Kangbéni, Pavia, Marco
Gypohierax angolensis J. F. Gmelin, 1768 LITERATURE. — Green & Sayer (1979); Dowsett (1993); Borrow & Demey (2001, 2014); Thiollay (2006a, b); Balanca et al. (2007); Sinclair & Ryan (2010); Dowsett et al. (2013); Borrow & Demey (2014); Di Vittorio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00a9815590a91528337660793626c685
Autor:
Lindy J. Thompson, Sonja C. Krüger, Brent M. Coverdale, L. Jen Shaffer, Mary Ann Ottinger, John P. Davies, Clément Daboné, Micheal Kibuule, S. Imad Cherkaoui, Rebecca A. Garbett, W. Louis Phipps, Evan R. Buechley, Alfonso Godino Ruiz, Miguel Lecoq, Camilo Carneiro, Reginal M. Harrell, Meredith L. Gore, William W. Bowerman
Publikováno v:
Frontiers in Conservation Science, Vol 2 (2021)
African vulture populations are in rapid decline, yet funding and other resources available for their conservation are limited. It is critical to prioritize research in applied conservation, which contributes to effective conservation strategies. Imp
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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Pioneering fieldwork identified the existence of three feeding groups in vultures: gulpers, rippers and scrappers. Gulpers engulf soft tissue from carcasses and rippers tear off pieces of tough tissue (skin, tendons, muscle), whereas scrappers peck o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2126a223f6079a740774fa19cb2ece7
http://hdl.handle.net/10261/257497
http://hdl.handle.net/10261/257497
Autor:
Castro Barbosa, Camilo Carneiro, Aissa Regalla, Ana R. Patrício, Mohamed Henriques, Paulo Catry, Quintino Tchantchalam
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Populations of many vulture species have undergone substantial declines. In Africa, 82% are threatened and although research on vultures has increased, the biology and ecology of several species is still poorly known. The Palm-nut Vulture Gypohierax
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7056e3bbfc18c1a8b94e0c968078d139
https://hdl.handle.net/10400.12/5622
https://hdl.handle.net/10400.12/5622
Autor:
Bryce W. Robinson, Jean-François Therrien, M. David Oleyar, Elizabeth K. Mojica, Sarah E. Schulwitz, David L. Anderson, Christopher J. W. McClure, Jeff A. Johnson
Publikováno v:
Journal of Raptor Research. 53:419
Species considered raptors are subjects of monitoring programs, textbooks, scientific societies, legislation, and multinational agreements. Yet no standard definition for the synonymous terms “raptor” or “bird of prey” exists. Groups, includi
Publikováno v:
Oryx, 50(4), 606-616
Oryx 50 (2016) 4
Oryx 50 (2016) 4
Diurnal raptors have declined significantly in western Africa since the 1960s. To evaluate the impact of traditional medicine and bushmeat trade on raptors, we examined carcasses offered at markets at 67 sites (1–80 stands per site) in 12 countries
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c338f292e4fc0487111310953207f756
https://research.wur.nl/en/publications/trade-of-threatened-vultures-and-other-raptors-for-fetish-and-bus
https://research.wur.nl/en/publications/trade-of-threatened-vultures-and-other-raptors-for-fetish-and-bus
Autor:
Marsha E Schlee, Anca E Iorgulesco
Publikováno v:
Ostrich: Journal of African Ornithology; Vol 74, No 3 (2003); 149-158
The postural and auditory components of the behaviour depicted in the type illustration of Gypohierax angolensis are described and analysed. The display, here termed the forward-and-down display (FDD), was used by the female in territorial defence as
Autor:
Roger D. Price, James R. Beer
Publikováno v:
The Canadian Entomologist. 95:731-763
Twenty-five species of Colpocephalum sen. lat. from hawks are recognized and discussed; 8 of these are newly described: angolensis from Gypohierax angolensis, barbati from Gypaëtus barbatus aureus, californici from Gymnogyps californianus, chelictin
Autor:
W. M. Austen
Publikováno v:
Ostrich. 24:98-102
Little has been recorded in South Africa of these remarkable birds alld the notes that follow were submitted at my request. The author is a Ranger of the Natal Parks, Game and Fish Preservation Board, and his keen observations reveal the interesting