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 Message to the Planet featured in many of her novels. According to her biographer Peter J. Conradi, Iris Murdoch said that the character of Marcus Vallar was based on Georg Kreisel. Conradi also notes that Murdoch's seven last novels all deal with the death of a "wise older man", in this case Vallar. In common with other Murdoch novels, "The Message to the Planet" also explores the relationship between a master and his disciple, Vallar and Ludens respectively. Two major themes more particular to this novel are the Holocaust and the "dilemma of the religious leader with power and his relationship to suffering". Vallar,