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Author (up) Title Year Publication Serial Volume Pages
BASHORE, T. L.; KEIPER, R.; TURNER ,J. W. JR; KIRKPATRICK J. F. The accuracy of fixed-wing aerial surveys of feral horses on a coastal barrier island 1990 Journal of coastal research 2221 6 53-56
Becker, C. D.; Ginsberg, J. R. Mother-infant behaviour of wild Grevy's zebra: adaptations for survival in semidesert East Africa 1990 Animal Behaviour. 927 40 1111-1118
Boesch C; Boesch H Tool use and tool making in wild chimpanzees 1990 Folia Primatol. 2983 54 86
Byrne, R.W.; Whiten, A. Tactical deception in primates: the 1990 database 1990 Primate Reports 6172 27 1-101
Byrne, R.W.; Whiten, A.; Henzi, S.P. Social relationships of mountain baboons: Leadership and affiliation in a non-female-bonded monkey 1990 American journal of primatology 5309 20 313-329
Cancedda, M. [Social and behavioral organization of horses on the Giara (Sardinia): distribution and aggregation] 1990 Bollettino della Societa italiana di biologia sperimentale 673 66 1089-1096
Cassini, M.H.; Kacelnik, A.; Segura, E.T. The tale of the screaming hairy armadillo, the guinea pig and the marginal value theorem 1990 Animal Behaviour. 2120 39 1030-1050
Charles T. Snowdon, Language capacities of nonhuman animals 1990 American Journal of Physical Anthropology 3553 33 215-243
Chaudhuri, M.; Ginsberg, J.R. Urinary androgen concentrations and social status in two species of free ranging zebra (Equus burchelli and E. grevyi). 1990 Journal of Reproduction and Fertility 987 88 127-133
Cheney D.L.; Seyfarth, R.M. How monkeys see the world: Inside the mind of another species 1990 706