Citation: Ke. Ruckstuhl et M. Festa-bianchet, Group choice by subadult bighorn rams: Trade-offs between foraging efficiency and predator avoidance, ETHOLOGY, 107(2), 2001, pp. 161-172
Citation: Ke. Ruckstuhl et P. Ingold, Aspects of mother-kid behavior in Alpine chamois, Rupicapra rupicapra rupicapra, Z SAUGETIER, 64(2), 1999, pp. 76-84
Citation: Ke. Ruckstuhl et M. Festa-bianchet, Do reproductive status and lamb gender affect the foraging behavior of bighorn ewes?, ETHOLOGY, 104(11), 1998, pp. 941-954