The brown flower bat is a medium-sized bat that eats fruit, nectar, and insects. It may roost in caves during the day.
Its fur is short and silky, chestnut on the back and paler on the belly and face. It has an elongated snout and a long, protrusible tongue.
It roosts in caves by day and leaves after sunset to forage. Its diet includes fruit, nectar, and insects; the reported diet percentages come from 109 bats in Puerto Rico.
An extinction-risk assessment has not been added yet.