Fastest animals Fastest animals This is a list of the fastest animals in the world, grouped by types of animal. The fastest land animal is the cheetah, which has a recorded speed of . The peregrine falcon is the fastest bird and the fastest member of the animal kingdom with a diving speed of . The fastest animal in the sea is the black marlin, which has a recorded speed of . While comparing between various classes of animals, a different unit is used, body length per second for organisms. The fastest organism on earth, relative to body length, is the South
Mission: Earth, Voyage to the Home Planet book might be used more successfully to supplement the curriculum in those areas than in units on space flight per se". Weischedel said the book "provides a unique look at a new method of research and an opportunity for youngsters to read one scientist's account of what it's like to engage in this exciting field of endeavor". "Horn Book Review" called the book "a uniquely personal account", and said it "features a crowded design, but the many color photographs throughout the text are fascinating". "Mission: Earth, Voyage to the Home Planet" is listed in the book "Teaching U.S. history through