close up photo of bat
Photo by Miriam Fischer on Pexels.com

Scientists have solved the mystery of one of the animal kingdom's most disproportionately large penises thanks to a Dutch retiree recording bat sex in a church attic.

The serotine bat does not use its strangely large penis for penetration, but instead as a "copulatory arm" during mating, a European team of researchers said on Monday.

This marks the first time that a mammal has been documented reproducing without having penetrative sex, the researchers added.

The serotine bat, which has a wingspan of more than 35 centimetres, is common in woodlands across Europe and Asia.


Register to read the full article.

Register for free for:

  • Access to ten free articles per month
  • Our weekly roundup of top stories
  • Monthly newsletters on topics of your choice

Subscribe for:

  • Unlimited article access each month
  • Crosswords and puzzles on Canadian holidays
  • Full newsletter access