All bats are vocal, but some are more vocal than others.
This chattiness reveals their individuality, with more talkative bats acting more boldly, researchers report January 29 in Proceedings of the Royal Society B. Bats might broadcast their personalities to others from a distance, which could play into social dynamics within a colony, the finding suggests.
“This study is a major step forward in our understanding of behavioral types in bats and how those relate to patterns of social vocalization,” says Erin Gillam, a behavioral ecologist at North Dakota State University in Fargo.
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