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Animal Behaviour, Vol. 64, Iss. 2, 2002-08 ,pp. : 185-195

Elsevier

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Common ravens, Corvus corax, preferentially associate with grey wolves, Canis lupus, as a foraging strategy in winter

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Effect of weather conditions on the communal roosting behaviour of common ravens Corvus corax with unlimited food resources

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Journal of Ethology, Vol. 25, Iss. 1, 2007-01 ,pp. : 71-78

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Social and ecological factors influencing vigilance by northwestern crows, Corvus caurinus

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