The Spix's disc-winged bat (Thyroptera tricolor), named for suction-cuplike discs on its wings and feet, is found in South America. Unlike other cave-dwelling bat species, disc-winged bats roost each day in the unfurling leaves of plants outside of caves. These leaves form a tube shape as they go from folded-up to flat, meaning the bats can roost only for a day before having to find another leaf in the proper shape.
Spix's disc-wing bats are also cliquish. They form groups of five or six and stay together, despite their nightly evictions.
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