Some interesting new research was recently published by experts at Ohio State University. Take a look at this excerpt from an Ohio State News article about the research written by Emily Caldwell:
Female vampire bats establish an egalitarian community within a roost rather than a society based on a clear hierarchy of dominance that is often seen in animal groups, a new study suggests.
Researchers observed more than 1,000 competitions for food among a colony of 33 adult female bats and juveniles living in captivity, assigning a rank to each bat based on a calculation of wins and losses in those contests.
The team found that, unlike in many mammal societies, the higher-ranking animal didn’t necessarily win every bout over food, and there was a randomness to the ranking order – no specific quality they measured gave a bat a better chance at dominance, so any adult female had an equal opportunity to rank very high or very low on a scale of dominance in the roost.
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