Infrared MCU of four sharp-toothed common vampire bats hanging upside down along cave wall, bats looking up and into camera. Infrared MCU of single sharp-toothed common vampire bat hanging upside down and scratching itself along cave wall, bat licking its genitals near beginning of shot. Infrared MCU of juvenile sharp-toothed common vampire bat hanging upside down along cave wall, grooming its wings. Infrared MCU of two sharp-toothed common vampire bats holding on to each other as they hang upside down along cave wall, genitals revealed as bats briefly turn away from each other, ZOOM IN to CU as the two bats groom each other in an "intimate" manner. (41970)