The family Natalidae, or funnel-eared bats are found from Mexico to Brazil and the Caribbean islands. The family comprises only one a single genus, Natalus. They're slender bats with unusually long tails and, as their name suggests, funnel-shaped ears. They're small, at only 3.5 to 5.5 cm in length, with brown, grey, or reddish fur. Like many other bats, they're insectivorous, and roost in caves. Four species belong to this genus: Gervais's Funnel-eared Bat (N. lepidus) Cuban Funnel-eared Bat… (More on Natalidae)