Fastest Mammal — Cheetah (Actiononyx jubatus) Fastest Bird — Spine tailed shift of Japan (fastest flying animal in the world) Fastest Penguin — Swimmer Penguin Fastest snake — Momba (Africa) Fastest fish — Sail fish Fastest wing beat in Insect — Foripomyla Fastest flying insect — Deer bot fly Fastest Protozoan — Monas Fastest wing beat — Humming bird Fastest reproducing protozoan — Glaucoma (six generation in 24 hours) Fastest running reptile — Cnemidophorus