1. Aarvak, T., Vilkov, V., Petkov, N., Rozenfeld, S., Timoshenko, A., 2012. The main results of the monitoring of condition of the habitats and seasonal geese migrations in Northern and North-Western Kazakhstan. Zoological and Game Management Resources in Kazakhstan and Adjacent Countries. Almaty, Kazakhstan. pp. 208-213
2. Aloupi, M., Kazantzidis, S., Akriotis, T., Bantikou, E., Hatzidaki, V.O., 2015. Lesser White-fronted (Anser erythropus) and Greater White-fronted (A. albifrons) Geese wintering in Greek wetlands are not threatened by Pb through shot ingestion. Sci. Total Environ. 527–528, 279–286.
3. Food, feeding behaviour and nutritional ecology of wintering greylag geese Anser anser;Amat;Ardea,1991
4. Evaluation of the toxicity of imidacloprid in wild birds. A new high performance thin layer chromatography (HPTLC) method for the analysis of liver and crop samples in suspected poisoning cases;Berny;J. Liq. Chromatogr. Relat. Technol.,1999
5. Birdlife International, 2015. Red-breasted Goose Branta ruficollis. 〈http://www.birdlife.org/datazone/speciesfactsheet.php?id=387〉 (accessed (8.05.15)).