| Titre : | Bird Conservation International 24(3) - SEP 2014 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Abraham Rojas, Auteur ;
Eleuterio Yucra, Auteur ;
Ivan Vera, Auteur ;
Andres Requejo, Auteur ;
José L. Tella, Auteur
The Red-fronted Macaw Ara rubrogenys is endemic to Bolivia, where it is listed as "Critically Endangered" due to its reduced population size and persisting threats. This species is known to breed exclusively on steep cliffs in arid inter-Andean [...]
Article
Martin Gilbert, Auteur ;
Ruth Tingay, Auteur ;
Jambal Losolmaa, Auteur ;
Nadia Sureda, Auteur ;
Colin Gilbert, Auteur ;
Davaasuren Batmunkh, Auteur ;
Sundev Gombobaatar, Auteur
Pallas's Fish Eagle Haliaeetus leucoryphus (PFE) is sparsely distributed across a vast swathe of central, eastern and southern Asia, and is classified as 'Vulnerable' by IUCN on the basis of population size and reports of declines in many areas.[...]
Article
Jessi L. Brown, Auteur ;
Michael W. Collopy, Auteur ;
John A. Smallwood, Auteur
Despite the recent rapid decline of many grassland bird species, the relative importance of habitat configuration to population persistence is unclear. We used Southeastern American Kestrels Falco sparverius paulus in north-central Florida as a [...]
Article
Paul F. Donald, Auteur ;
Htin Hla, Auteur ;
Lay Win, Auteur ;
Thiri Dawei Aung, Auteur ;
Saw Moses, Auteur ;
Sao Myo Zaw, Auteur ;
Tin Tun Ag, Auteur ;
Kyaw Naing Oo, Auteur ;
Jonathan C. Eames, Auteur
Following a recent assessment of the distribution and habitat use of Gurney's Pitta in Myanmar (Burma), further extensive surveys were undertaken in 2010, 2011 and 2012. These have extended the species' known altitudinal limit to between 250 m a[...]
Article
Wendy J. Pearson, Auteur ;
Mark A. Colwell, Auteur
Breeding dispersal subsequent to nest failure is hypothesised to be a behavioural response to danger posed by nest predators. We used histories and locations of male and female Snowy Plover Charadrius nivosus nests in northern California over a [...]
Article
Luke J. Eberhart-Phillips, Auteur ;
Mark A. Colwell, Auteur
Source-sink dynamics are easily overlooked when formulating recovery objectives for threatened species. This could lead to unrealistic criteria imposed on sink populations, which in turn might restrict an entire metapopulation from being deliste[...]
Article
Andrea R. Pirovano, Auteur ;
Giovanni Zecca, Auteur
The Black Woodpecker Dryocopus martius is the largest woodpecker of the Palearctic Region and it has been recognised as a keystone species whose presence provides critical resources to secondary cavity-users in European forest ecosystems. Here w[...]
Article
Hanna L. Mounce, Auteur ;
Kelly J. Iknayan, Auteur ;
David L. Leonard, Auteur ;
Kirsty J. Swinnerton, Auteur ;
Jim J. Groombridge, Auteur
The accurate estimation of key demographic parameters is invaluable for making decisions about the management of endangered wildlife but such estimates are often difficult to obtain. Parameters such as species-specific apparent survival rates ar[...]
Article
Toby H. Galligan, Auteur ;
Tatsuya Amano, Auteur ;
Vibhu M. Prakash, Auteur ;
Mandar Kulkarni, Auteur ;
Rohan Shringarpure, Auteur ;
Nikita Prakash, Auteur ;
Sachin Ranade, Auteur ;
Rhys E. Green, Auteur ;
Richard J. Cuthbert, Auteur
Populations of three vulture species of the genus Gyps, the Egyptian Vulture Neophron percnopterus and Red-headed Vulture Sarcogyps calvus have declined markedly on the Indian subcontinent since the mid-1990s and all are now Critically Endangere[...]
Article
Jeremy P. Bird, Auteur ;
Nicholas Carlile, Auteur ;
Mark G. R. Miller, Auteur
The "Critically Endangered" Beck's Petrel Pseudobulweria becki has been recorded regularly in the Bismarck Sea during the past five years, but its nesting grounds are yet to be located. Previously, over 70 years elapsed between the collection of[...]
Article
Anil K. Sharma, Auteur ;
Mohini Saini, Auteur ;
Shambhu D. Singh, Auteur ;
Vibhu Prakash, Auteur ;
Asit Das, Auteur ;
R. Bharathi Dasan, Auteur ;
Shailey Pandey, Auteur ;
Daulal Bohara, Auteur ;
Toby H. Galligan, Auteur ;
Rhys E. Green, Auteur ;
Dietmar Knopp, Auteur ;
Richard J. Cuthbert, Auteur
Three Critically Endangered Gyps vultures endemic to South Asia continue to decline due to the use of diclofenac to treat livestock. High nephrotoxicity of diclofenac to Gyps vultures, leading to death, has been established by experiment and obs[...]
Article
Mattia Brambilla, Auteur ;
Claudio Celada, Auteur ;
Marco Gustin, Auteur
Setting Favourable Reference Values (FRVs) can assist the definition of the conservation status of a species. FRVs may consider population, habitat, and range. FRVs can indicate a range of values for different parameters, which should allow the [...]
