Institute of Nature Conservation PAS - http://www.iop.krakow.pl

Tatra National Park - http://www.tpn.pl

Bieszczady National Park - http://www.bdpn.pl

Bieszczady information http://www.bieszczady.pl

Scandinavian Brown Bear Research Project - http://www.bearproject.info

Northern Rocky Mountain Science Center (NOROCK) - http://www.nrmsc.usgs.gov

Society for Conservation Biology - http://www.conbio.org

 

Slovakian BEARS project - http://www.medvede.sk/

 

International Association for Bear Research and Management - http://www.bearbiology.com