Danube Delta National Institute for Research and Development, Romania
Natural History Museum "Grigore Antipa" Bucharest, Romania
Friulian Museum of Natural History Udine, Italy
Natural History Museum Viena, Austria
Golden Jackal monitoring studies by NGO Crispus Romania
Danube Delta eco trekking by Ecology Department of NGO Crispus Romania
The Canid Specialist Group (CSG) of the International Union for Conservation of Nature www.canids.org
Dinaricum Society Ribnica, Slovenia
Department of Animal Ecology and Geography Faculty of Biology Univ Belgrade, Serbia
National Forest Department Romania, Game Management Department RNP ROMSILVA, Romania
Danube Delta Biosphere Reserve Administration DDBRA, Romania
Institute for Wildlife Conservation Gödöló, Hungary
Department of Zoology - Marine Biology, University of Athens, Greece
Erciyes University Kayseri, Turkey
National Museum of Natural History Sofia, Bulgaria
Museum and Institute of Zoology Warsaw, Polish Academy of Sciences, Poland
Matsalu National Park Reserve, Estonia
Environmental Board, Estonia