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Monogamous animals have unattractive partners

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The lack of options available to some animals gives them no choice but to take what they can get.

  • Constrained mate choice in social monogamy means that many individuals wind up with unattractive partners.
  • “Unattractiveness” is likely tied to genetic compatibility, which can include behavior factors.
  • Females paired with unattractive males have increased stress hormone levels, which may drive cheating and breakups.

Full story at Discovery News.

More news from Discovery Communications.

Photo credit: Fotolia

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