1.
Dahl FM, Hanse HH, Vorup LD, Jensen L Østergaard, Spyridopoulos PS, Jensen TH, Pertoldi C, Alstrup AKO, Pagh S. Effect of enrichments on behavioural reaction norms of two captive polar bears (Ursus maritimus) in Aalborg Zoo, Denmark. Genet. Biodiv. J [Internet]. 2020 May 1 [cited 2024 May 18];4(2):61-72. Available from: https://journals.univ-tlemcen.dz/GABJ/index.php/GABJ/article/view/98