Document Detail

Food preferences of winter bird communities in different forest types.
MedLine Citation:
PMID:  23300878     Owner:  NLM     Status:  MEDLINE    
Food availability for forest birds is a function of habitat type, forest management regime, and season. In winter, it is also impacted by variations in the weather. In the current study we assessed the food preferences of wild bird populations in two types of forest (spruce and beech) during the months of November 2010 to April 2011 in the Schwäbische Alb Biodiversity Exploratory, south-western Germany. Our aim was to investigate whether local bird communities preferred fat-rich, carbohydrate-rich or wild fruits and to determine how forest structure, seasonality and local weather conditions affected food preferences. We found higher bird activity in beech forests for the eleven resident species. We observed a clear preference for fat-rich food for all birds in both forest types. Snow cover affected activity at food stations but did not affect food preferences. Periods of extreme low temperatures increased activity.
Swen C Renner; Sofia Baur; Astrid Possler; Julia Winkler; Elisabeth K V Kalko; Paul J J Bates; Marco A R Mello
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-12-31
Journal Detail:
Title:  PloS one     Volume:  7     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2012  
Date Detail:
Created Date:  2013-01-09     Completed Date:  2013-06-24     Revised Date:  2013-07-11    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e53121     Citation Subset:  IM    
Institute for Experimental Ecology, University of Ulm, Ulm, Germany.
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MeSH Terms
Birds / physiology*
Food Preferences / physiology*

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