| Titre : | Bird Conservation International 19(4) - DEC 2009 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
André F. Raine, Auteur ;
Andrew F. Brown, Auteur ;
Tatsuya Amano, Auteur ;
William J. Sutherland, Auteur
Conservationists often find it difficult to assess long-term population change in a species when the only data available are from disparate sources. This is especially the case when a range of Survey methodologies and reporting units have been u[...]
Article
Robert E. Simmons, Auteur ;
Leo A. T. Legra, Auteur
We undertook a 3-week expedition to Papua New Guinea in April-May 2007 to assess the breeding, threats and Population densities of the Papuan Harrier Circus spilonotus spilothorax and to determine a first global Population estimate for this almo[...]
Article
Juliana C. F. Mattos, Auteur ;
Mariana M. Vale, Auteur ;
Mauricio B. Vecchi, Auteur ;
Maria Alice S. Alves, Auteur
The Restinga Antwren (Thamnophilidae: Formicivora littoralis) is endemic to a small region on the coast of Rio de Janeiro state in southeastern Brazil. Currently, it is considered 'Critically Endangered' by IUCN due to continuing habitat loss wi[...]
Article
Paul F. Donald, Auteur ;
Sirirak Aratrakorn, Auteur ;
Thura Win Htun, Auteur ;
Jonathan C. Eames, Auteur ;
Htin Hla, Auteur ;
Somying Thunhikorn, Auteur ;
Kriangsak Sribua-Rod, Auteur ;
Pinyo Tinun, Auteur ;
Sein Myo Aung, Auteur ;
Sa Myo Zaw, Auteur ;
Graeme M. Buchanan, Auteur
Gurney's Pitta Pitta gurneyi was not seen in the wild for over 30 years before its rediscovery in a small area in southern Thailand in 1986. 111 2003, it was found over a much larger area in southern Myanmar (Burma) after an even longer absence [...]
Article
Toon Spanhove, Auteur ;
Valerie Lehouck, Auteur ;
Luc Lens, Auteur
Fragmentation of continuous habitat blocks into small, isolated patches may Cause gradual replacement of habitat specialists by generalists and edge-dwelling species, thereby altering trophic interactions within communities. When fragmentation p[...]
Article
The study area at Zait Bay, Egypt (C. 700 km(2)) is situated in the middle of the West Asian-East African migration flyway used by very large numbers of soaring migrants. At this site the corridor narrows into a bottleneck. There exist only very[...]
Article
Lily-Arison Rene de Roland, Auteur ;
Russell Thorstrom, Auteur ;
Gilbert Razafimanjato, Auteur ;
Marius P. H. Rakotondratsima, Auteur ;
Tolojanahary R. A. Andriamalala, Auteur ;
Seing Sam, Auteur
We conducted a 16-month country-wide survey to determine the status of the threatened Madagascar (Marsh) Harrier Circus macrosceles from 2005 to 2006. We searched for harriers in varying habitat types, focusing oil marshes, grasslands and savann[...]
Article
Richard J. Camp, Auteur ;
Thane K. Pratt, Auteur ;
Ann P. Marshall, Auteur ;
Fred Amidon, Auteur ;
Laura L. Williams, Auteur
The avifauna of the Mariana Islands, an archipelago in the western Pacific, faces the threats of rapid economic development and the spread of non-native species, particularly a devastating predator, Brown Tree Snake Boiga irregularis. In this pa[...]
