Some observations claim that chemical interaction is taking part in intrasexual competition within the Alpine marmot.
Alpine marmots have three anal gland papillae that may be protruded through the rectum, however their function is defectively understood. Nevertheless, this gland appears to not ever be properly used in territory fragrance marking (which will be alternatively carried out by cheek rubbing with orbital glands; Bel et al., 1995) but may remain found in intrasexual competition. Certainly, during encounters between adult people in an organization, people frequently closely circle one another with flagging tails and then appear to expose their anal glands (D.A., pers. (más…)