Although Morimus asper, in particular the ssp. funereus, is considered as widespread
throughout Bulgaria, a current national mapping of the species is missing. Thus, here we …

The Cinereous Vulture (Aegypius monachus) is the largest vulture species in Europe. It is
currently extinct in Bulgaria, but individuals from the only Balkan population of the species …

We report the changes in the distribution of three alien mammal species in Bulgaria, the
coypu Myocastor coypus, the muskrat Ondatra zibethicus, and the raccoon dog Nyctereutes …

The Lesser Spotted Eagle Clanga pomarina Brehm, 1831 is a long-lived, territorial raptor,
distributed mainly in Eastern and Central Europe. Southeast Bulgaria is a part of the …

Accepted: 19 December 2023/Available online: May 2024/Printed: June 2024 Abstract. Little
Owl (Athene noctua Scop., 1769) is common and widespread throughout Bulgaria …

Little Owl (Athene noctua) is one of the best-known owls throughout its distribution (Van
Nieuwenhuyse et al. 2008). In Europe, this species is categorized as SPEC 3–declining. At a …

The resident vulture populations in Niger are poorly studied and the limited knowledge
affects the implementation of relevant conservation actions. Satellite tracking data from …

The maximum known size for all currently living snake species from Bulgaria was estimated
based on a combination of literature and new data. A comparison between the maximum …

Yellow Water-Lily (Nuphar lutea) is a well-known aquatic plant for the flora of Bulgaria.
However, presently it has very limited distribution. Many former localities have disappeared …

The Goosander Mergus merganser was not recorded breeding in Bulgaria till recently. We
present herewith the very first record of the species breeding in the country and estimate the …