Seasonal surplus killing as hunting strategy of the weasel Mustela nivalis - test of a hypothesis - Digital Repository of Scientific Institutes

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Seasonal surplus killing as hunting strategy of the weasel Mustela nivalis - test of a hypothesis

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Title: Seasonal surplus killing as hunting strategy of the weasel Mustela nivalis - test of a hypothesis

Creator:

Jędrzejewska, B. ; Jędrzejewski, W.

Date issued/created:

Resource type:

Place of publishing:

Description:

This paper questions the common explanation of surplus killing by small mustelids as an incidental response to superabundance of prey. Alternatively, we propose that surplus hunting in weasels is a regular seasonal (winter) strategy, a mean of: (1) balancing the cold-inducted increase of energy need, (2) compensating the concurrent restriction in hunting activity, (3) constantly supplying a "buffer" cache against unpredictable winter conditions. We tested this prediction in seminatural conditions in nineteen experiments performed over three years with 8 nonreproductive weasels Mustela nivalis Linnaeus, 1766 and very high densities of rodents, mainly the bank voles Clethrionomys glareolus (Schreber, 1780). Each experiment lasted from 6 to 25 days.

Type of object:

Journal/Article

Relation:

Acta Theriologica

Volume:

Issue:

Start page:

End page:

Detailed Resource Type:

Format:

application/pdf

Resource Identifier:

oai:rcin.org.pl:11341 ; 10.4098/AT.arch.89-34

Source:

click here to follow the link

Language:

eng ; sum. eng. ; pol.

Rights:

Rights Reserved - Free Access

Terms of use:

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:

daily consumption hunting strategy Mustela nivalis seasonal surplus killing sezonowe nadmierne zabijanie strategia polowań łasica zapasy pokarmu pokarm

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Last modified:

Oct 2, 2020

In our library since:

Aug 23, 2012

Number of object content downloads / hits:

2456

All available object's versions:

https://www.rcin.org.pl/publication/27411

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Acta Theriologica

Edition name	Date
Seasonal surplus killing as hunting strategy of the weasel Mustela nivalis - test of a hypothesis	Oct 2, 2020

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