(Hipposideros griffini)
Hipposideros griffini is a species of bat in the nasal folds.This species is scientists and international Vietnam recently discovered in the national park of Cat Ba and national parks Chu Mom Ray Vietnam.The two-part designation is named after the late Professor Donald Redfield Griffin,who discovered and tattooed the bat's ultrasound research field in the world.Frequency ultrasound of the bat about 76.6 to 79.2 k Hz,different from ultrasonic frequencies of species of bat raven nose sticky (about 64.7 to 71.4 kHz under).