Going Against the Flow: Notes on the re-colonisation of the Eurasian Beaver Castor fiber Linnaeus, 1758 in Northern Bulgaria
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Date
2025-05-23
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Plovdiv University Press "Paisii Hilendarski"
Abstract
The Eurasian beaver (Castor fiber Linnaeus, 1758) was once wide-ranging across Northern Europe and Asia (Lavrov 1981). However, anthropogenic factors such as the intensive hunting for their fur, meat, and oils, along with significant habitat loss, have caused a drastic decline in their population over the last 300 years. This decline seemed irreversible until recent observations have shown promising signs of their return. Recently, the beaver was observed to return to Bulgaria, on the Danube River and its tributaries (Kodzhabashev et al. 2021). Observations in the country's interior were limited (Kodzhabashev, 2022, Kodzhbashev et al., 2023). Here we report the recent observation of this species in a new location - the Rositsa River, a tributary of the Yantra River.
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Keywords
Castor fiber, Beaver, reintroduction