Results 41 to 50 of about 1,339 (222)
Natural expansion versus translocation in a previously human-persecuted bird of prey [PDF]
Many threatened species in Europe have been expanding their distributions during recent decades owing to protection measures that overcome historical human activity that has limited their distributions.
Armstrong +51 more
core +1 more source
On the Natal Philopatry of the Eastern Imperial Eagle of the Volga Population
Population structure across the range of the Eastern Imperial Eagle (Aquila heliaca) remains one of the controversial issues that can be resolved by data on the distribution of juveniles from different points in the range.
Mikhail V. Korepov
doaj +1 more source
Wintering Birds in Northern Saudi Arabia: February 2009 [PDF]
The northern plains of Saudi Arabia are an area of approximately 231,000 km2, or roughly equivalent to the size of the whole of the United Kingdom. During previous ABBA Surveys in this area in late winter and spring significant numbers of wintering ...
Abu Qabous, Baleegh +3 more
core
New Records of Raptors in Eastern Kazakhstan
In this article we describe our data on observations of birds of prey in Eastern-Kazakhstan Upland and Northern Balkhash Lake area collected mostly in 2013, May–June and September, and also in 2012, March and May.
Anna N. Barashkova, Ilya E. Smelansky
doaj +1 more source
In work of the Raptor Ringing Center of the Russian Raptor Research and Conservation Network in 2014 participated 39 ornithologists-researchers and birdwatchers who have ringed in total 889 individuals of 23 species of birds of prey (Falconiformers) and ...
Igor V. Karyakin +7 more
doaj +1 more source
Revista de Vertebrados de la Estación Biológica de Doñana [PDF]
Dimorfismo sexual en Microtus cabrerae en base a los caracteres de su pelvis.Notas sobre la distribución y ecología de Microtus cabreae, Thomas, 1906.Alimentación de la culebra bastarda (Malpolon monspessulanus, Ophidia, Colubridae) en el S. O. de España.
Ayarzagüena, José +13 more
core
Only 1541 (34.2%) of 4503 recognized non‐passerine bird species are held in ZIMS institutions worldwide. Approximately ~83% of the species kept globally are classified as non‐threatened and ~16% as threatened. To improve the conservation of threatened birds, a shift toward keeping threatened species should be considered within ex situ management ...
Anna Wahle +6 more
wiley +1 more source
В работе рассматривается распространение и численность большого подорлика (Aquila clanga), малого подорлика (Aquila pomarina), орла-могильника (Aquila heliaca) и орлана-белохвоста (Haliаeetus albicilla).
Alexander Yu. Sokolov +2 more
doaj
An extremely pale juvenile eastern imperial eagle (Aquila heliaca) without the typical dark streaking of the body was observed and photographed wintering in Oman.
Angelov Ivaylo
doaj +1 more source

