Natalus

The genus Natalus of funnel-eared bats is found from Mexico to Brazil and the Caribbean islands. They are slender bats with unusually long tails and, as their name suggests, funnel-shaped ears. They are small, at only 3.5 to 5.5 cm in length, with brown, grey, yellow, or reddish fur. Their tail is completely enclosed in the interfemoral membrane. Adult males have a natalid organ, a large glad-like organ, on the muzzle or face. Their skulls are delicate...