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...Baldwin, JI (1976) Effects of ecology on social play: a laboratory simulation. Z. Tierpsychol., 40, 1-14 Berger, J. (1979) Weaning conflict in desert and mountain...ecological interpretation. Z. Tierpsychol., 50, 188-200 Cheney, DL, Lee, PC & Seyfarth, RM (1981) Behavioural correlates of non-random mortality among free-ranging... | |
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...small enough to be used on an animal the size of an adult rat and has a battery life of several weeks. Berger, J. (1979). Weaning conflict in desert and...sheep (Ovis canadensis): an ecological interpretation. Zeitschrift fur Tierpsychologie, 50, 188-200. An example of a field study of intraspecific variation... | |
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 | J. L. Keeling - 2001 - 442 páginas
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