MILLER, Lance J; MACHADO, Julia. Is stereotypic behaviour in polar bears heterogenous in nature?. Journal of Zoo and Aquarium Research, [S. l.], v. 14, n. 1, p. 46–51, 2026. DOI: 10.19227/jzar.v14i1.854. Disponível em: https://jzar.org/jzar/article/view/854. Acesso em: 31 jan. 2026.