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Diet of otters Lutra lutra in central Finland

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Title: Diet of otters Lutra lutra in central Finland

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The diet of otters Lutra lutra (Linnaeus, 1758) in central Finland was studied in 1988-1993 by analysing 1506 spraints. The main components of the diet of otters are fish and amaphibians. The most important fishes for otters are small (body length mostly less than 15 cm) cyprinids, perches and pikes. The composition of food varies seasonally. In winter amphibians are the most important prey (33.2% of all food). Perches, pikes and cyprinids are important during all seasons, but in winter small sculpins (9.8% of the food) and burbots (8.9%) are also important. In spring the most important prey are cyprinids (38.7% of the food). Amphibians are important, especially in the smallest streamlets (in winter, 68.4% of the food). Otters also eat toads Bufo bufo. In some areas crayfish and mammals are quite important; but for most otters in the study area salomonids, birds, replites, insects, mollusks and plants are only occasional food. Most of the otters in the study area live in small forest rivers. In central Finland in winter amphibians and sculpins are of great importance for otters living in small rivers.

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Journal/Article

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Acta Theriologica

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application/pdf

Resource Identifier:

oai:rcin.org.pl:12651 ; 10.4098/AT.arch.96-38

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click here to follow the link

Language:

eng ; Sum. eng.

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Rights Reserved - Free Access

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Copyright-protected material. May be used within the limits of statutory user freedoms

Digitizing institution:

Mammal Research Institute of the Polish Academy of Sciences

Original in:

Library of the Mammal Research Institute Polish Academy of Sciences

Projects co-financed by:

Programme Innovative Economy, 2010-2014, Priority Axis 2. R&D infrastructure ; European Union. European Regional Development Fund

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Subject and keywords:

Finland diet Lutra lutra Finlandia dieta pokarm wydra

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Last modified:

Oct 2, 2020

In our library since:

Sep 3, 2012

Number of object content downloads / hits:

2286

All available object's versions:

https://rcin.org.pl/publication/28546

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Acta Theriologica

Edition name	Date
Diet of otters Lutra lutra in central Finland	Oct 2, 2020

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