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Forage abundance, forage quality, and social factors are key elements of the foraging ecology of wild herbivores. For non-ruminant equids, forage-limited environments are likely to impose severe constraints on their foraging behaviour. We used a multi-scale approach to study foraging behaviour in kiang (Equus kiang), a wild equid inhabiting the high-altitude rangelands of the Tibetan Plateau. Using...
Optimal time allocation to foraging behaviour may be constrained by intrinsic and extrinsic factors forcing animals to adopt compromises to meet their daily energetic needs. Our goal was to assess the influence of individual characteristics and extrinsic factors on the activity budget of marked adult female mountain goats, Oreamnos americanus. As lactation entails important energetic costs, we specifically...
Lactation is the most energetically costly component of maternal investment in mammals. For large temperate herbivores, summer is characterized by relatively abundant forage but also high energetic needs for lactation and recovery from winter mass loss. We experimentally restricted food supply by about 20%, and compared the nursing and foraging behaviours of control and food-restricted adult female...
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