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Abstract

The social behaviour of ungulates is very often explained by feeding resources. This appears more striking for females since reproduction is very costly in energy terms. We expect female group size to be directly dependent on food availability. Our results on moufflons show that ewe gathering supports this hypothesis during spring, summer and autumn. However, our winter results are contradictory since we observed a stronger tendency of ewes to gather during this season. In the light of recent papers, other ecological or social parameters are discussed to explain this phenomenon.