The Common Otter, Lutra lutra, in Southern Korea

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  • 韓国南部におけるカワウソLutra lutraの生息状況
  • カンコク ナンブ ニ オケル カワウソLutra lutra ノ セイソク ジ

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Abstract

The distribution of the common otter, Lutra lutra, in Southern Korea was investigated by collections of the scats found along the coast and a few large river systems, and subsequently the food habits were examined by their analyses. 1. The animal still occurred widely along the coast and the upper streams, and the signs of its occurrence were seen even a long the coast in suburban areas. 2. The rocky coast facing the open sea, where foods and shelters were abundant, was utilized more frequently by the animal than the beach in shallow inlets. 3. The animal preyed chiefly on fishes along the coast, and on small fishes, crayfishes and frogs along the river. 4. The complicated topography of shorelines and the absence of bank revetment in the upper streams seem to be advantageous for the animal to survive.

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