Monkey mandrill, almost long and weighing up to . Some are arboreal (living in trees) while others live on the savanna; diets differ among the various species but may contain any of the following: fruit, leaves, seeds, nuts, flowers, eggs and small animals (including insects and spiders). Some characteristics are shared among the groups; most New World monkeys have prehensile tails while Old World monkeys have non-prehensile tails or no visible tail at all. Old World monkeys have trichromatic color vision like that of humans, while New World monkeys may be trichromatic, dichromatic, or—as in the owl monkeys and greater galagos—monochromatic.
Monte Cristo arboreal alligator lizard disappearing. Some scientists estimate that the cloud forests will disappear in the near future. These cloud forests are a major place of biodiversity. "A. montecristoi" is just one of a vast number of species that call these forests home. Conservation efforts are currently being made by the Tropical Montane Cloud Forest Initiative which is made up of three conservations program consisting of the United Nations Environment Program, the World Conservation Union, and the World Wide Fund for Nature. Monte Cristo arboreal alligator lizard The Monte Cristo arboreal alligator lizard ("Abronia montecristoi" ) is an endangered species of lizard. This species