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
The Wonderful Flight to the Mushroom Planet power it, and tells them to fly to the mushroom planet (after getting their parents' permission). He warns them that their trip will only be successful if they bring a mascot. When it is time for launch, they grab David's hen, Mrs. Pennyfeather, at the last moment for a mascot, and rocket into space. They find the planet of Basidium to be a small, verdant world covered in soft moss and tree-size mushrooms. They quickly meet some residents of the mushroom planet, small men with large heads and slightly green skin, of the same people as the mysterious Mr. Bass.