ZOELZER, F.; ENGEL, C.; PAUL W., D.; ANNA LENA, B. A comparative study of nightly allonursing behaviour in four zoo-housed groups of giraffes (Giraffa camelopardalis) . Journal of Zoo and Aquarium Research, [S. l.], v. 8, n. 3, p. 175-180, 2020. DOI: 10.19227/jzar.v8i3.508. Disponível em: https://jzar.org/jzar/article/view/508. Acesso em: 23 sep. 2020.