Foraging behaviour of red deer Cervus elaphus as a function of the relative availability of two tree species Nathalie Chevallier-Redor, Hélène Verheyden-Tixier, Marcel Verdier and Bertrand DumontAnim. Res., 50 1 (2001) 57-65DOI: https://doi.org/10.1051/animres:2001116