Teeth names are created by a combination of 4 different characteristics: 1  The jaw where they are located: upper and lower (alternatively the terms maxillary and mandibular can be used) 2  The side of the face: left and right.  The type of tooth: incisor, canine, premolar, and molar.
Vampire bats are members of the New World Leaf-nosed bats, the Phyllostomidae. All three species of living vampire bats occur in South and Central America. Fossils of three other species reveal that several thousand years ago vampire bats were more widespread.
â¢ The 20 million Brazilian free-tailed Bats that spend the spring and summer in a cave in Texas have been estimated to eat 250 tons of insects nightly. â¢ The saliva of Vampire Bats (which do not live in Nevada) contains an anticoagulant that has been studied for possible use to treat humans with some heart problems.