| Titre : | Bird Conservation International 20(2) - JUN 2010 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Javier Seoane, Auteur ;
Luis M. Carrascal, Auteur ;
David Palomino, Auteur ;
C. Luis Alonso, Auteur
We estimated the breeding population size and assess the habitat relationships of Black-bellied Sandgrouse in the Eastern Canary Islands (Fuerteventura, Lanzarote and La Graciosa, Spain) by means of a survey based on 1,787 0.5-km line transects [...]
Article
Carlos Ernesto Candia-Gallardo, Auteur ;
Luís Fábio Silveira, Auteur ;
Adriana Akemi Kuniy, Auteur
The 'Critically Endangered' Cone-billed Tanager Conothraupis mesoleuca was described in 71 93 9, based on a single specimen collected in the state of Mato Grosso, western Brazil. Not seen again in the wild until 2003, this poorly-known species w[...]
Article
Craig T. Symes, Auteur ;
Stephan Woodborne, Auteur
Stable isotopes (delta D, delta C-13, delta N-15) were measured in adult and juvenile Amur Falcon Falco amurensis feathers to understand the migratory connectivity of this species. Using the OIPC (Online Isotopes in Precipitation Calculator) and[...]
Article
Ernesto Ruelas Inzunza, Auteur ;
Laurie J. Goodrich, Auteur ;
Stephen W. Hoffman, Auteur
Continental-scale bird population estimates are used as a decision-support tool in conservation plans. The calculation of these estimates includes the use of density values and survey data from one or multiple sources extrapolated to the geograp[...]
Article
Paul F. Donald, Auteur ;
Graeme M. Buchanan, Auteur ;
Nigel J. Collar, Auteur ;
Yilma Dellelegn Abebe, Auteur ;
Merid N. Gabremichael, Auteur ;
M. A. Kiragu Mwangi, Auteur ;
Paul Kariuki Ndang'ang'a, Auteur ;
Claire N. Spottiswoode, Auteur ;
Mengistu Wondafrash, Auteur
Article
Anthropogenic emissions of mercury have doubled over the past two centuries. Mercury is a dangerous neurotoxin that threatens human health and fish and wildlife populations. The effects of mercury on birds have been relatively well-studied in th[...]
Article
Octavio R. Rojas-Soto, Auteur ;
Adolfo C. Navarro-Sigueenza, Auteur ;
Alejandro Espinosa De Los Monteros, Auteur
The taxonomic criteria used as bases for endangered species lists can affect conservation policy decisions. We emphasize that the use of different taxonomic units affects the baselines of such lists. Recent taxonomic reviews for the Mexican avif[...]
Article
Christoph Zoeckler, Auteur ;
Evgeny E. Syroechkovskiy, Auteur ;
Philip W. Atkinson, Auteur
The Spoon-billed Sandpiper Eurynorhynchus pygmeus (IUCN Category: Critically Endangered) is in rapid decline. Data from across the entire breeding range (Chukotka and Koryakya in the Russian far north-east) and especially from the well-studied s[...]
Article
Over the past half century, grassland birds in Europe have declined dramatically and in order to maintain and restore their populations it is critical to understand how habitat structures and quality within pastures affect birds. This study inve[...]
Article
Wader, gull and tern population estimates for a key breeding and stopover site in Central Kazakhstan
Holger Schielzeth, Auteur ;
Johannes Kamp, Auteur ;
Goetz Eichhorn, Auteur ;
Thomas Heincke, Auteur ;
Maxim A. Koshkin, Auteur ;
Lars Lachmann, Auteur ;
Robert D. Sheldon, Auteur ;
Alexej V. Koshkin, Auteur
Population size estimates of waders, gulls and terns passing through or breeding in Central Asia are very scarce, although highly important for global flyway population estimates as well as for targeting local conservation efforts. The Tengiz-Ko[...]
