Brachyteles arachnoides Brachyteles hypoxanthus The muriquis, also known as woolly spider monkeys, are the monkeys of the genus Brachyteles.

They are the two largest species of New World monkeys, and the northern species is one of the most endangered of all the world's monkeys.

[3] The muriqui lives primarily in coffee estates in southeastern Brazil.

[4]: 174  Males are the same size and weight as females.

[4]: 175 This New World monkey-related article is a stub.