Monkey

Monkeys are haplorhine primates, a group generally possessing tails and consisting of about 260 known living species. There are two distinct lineages of monkeys: New World Monkeys and catarrhines. Wikipedia

Height: Mandrill: 1.8 – 2.1 ft., Japanese macaque: 1.9 ft., More

Lifespan: Mandrill: 20 years, White-headed capuchin: 44 years, More

Gestation period: Mandrill: 175 days, More Encyclopedia of Life

Mass: Mandrill: 42 – 82 lbs, More Encyclopedia of Life

Length: Mandrill: 2.5 – 3.1 ft., More Encyclopedia of Life

Tail length: Mandrill: 2 – 3.9 in., Pygmy marmoset: 6.8 – 9 in.

Mandrill: 2 – 3.9 in.

Pygmy marmoset: 6.8 – 9 in.

Barbary macaque: 0.4 – 2.2 cm

Japanese macaque: 3.6 in.

Hamadryas baboon: 16 – 24 in.

Rhesus macaque: 8.1 – 9 in.

Lion-tailed macaque: 9.8 in.

Olive baboon: 15 – 23 in.

Tufted capuchin: 15 – 22 in.

Southern muriqui: 2.4 – 2.6 ft.

Black-mantled tamarin: 11 – 17 in.