Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Kostadin Valchev"'
Autor:
Petar SHURULINKOV, Girgina DASKALOVA, Andrey RALEV, Petko TZVETKOV, Kostadin VALCHEV, Simeon ARANGELOV, Ivan HRISTOV, Rumen KOLCHAGOV, Petar DIMOV
Publikováno v:
Tichodroma, Vol 33, Pp 1-20 (2021)
Actual status, distribution, numbers and threats for four forest bird species – Tengmalm’s Owl (Aegolius funereus), Pygmy Owl (Glaucidium passerinum), Three-toed Woodpecker (Picoides tridactylus), and Capercaillie (Tetrao urogallus) were studied
Externí odkaz:
https://doaj.org/article/2048cf3881a147f089335d782ecb170f
Autor:
Diana Zlatanova, Tobias E. Reiners, Carsten Nowak, Kostadin Valchev, Katharina Steyer, Markus Pfenninger, Christiane Frosch, Aleksandar Dutsov
Publikováno v:
Mammalian Biology. 79:268-276
The Balkans are one of the last large refugia for brown bear ( Ursus arctos ) populations in Europe, and Bulgaria, in particular, contains relatively large areas of suitable brown bear habitat and a potential population of more than 600 individuals.