Why do female Gunnison's prairie dogs copulate with more than one male?

  • Hoogland
  • Published 1998 in Animal behaviour
A female can usually obtain enough sperm to fertilize all her eggs from a single insemination, and copulation involves certain costs such as increased exposure to diseases and parasites. Why, then, do females of so many species routinely copulate with more than one male? A 7-year study of marked individuals provides an answer for 239 female Gunnison's… CONTINUE READING