Przewalski's horses, like other equids, mark the urinations and defecations of their mares with urine, and more rarely, feces. Could be to advertise their claim to the mares (Turner et al. 1981), or to mask information about the mares' estrous status (Trumler 1958).
CITATION STYLE
Boyd, L., & Kasman, L. (1986). The Marking Behavior of Male Przewalski’s Horses. In Chemical Signals in Vertebrates 4 (pp. 623–626). Springer US. https://doi.org/10.1007/978-1-4613-2235-1_50
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