A new global assessment has identified 25 primate species that are now the most endangered on Earth including the Tapanuli ...

"There is a significant difference in intelligence between monkeys and apes," Becky Malinsky, curator of primates at the ...

Howlers are New World monkeys found in tropical Central and South America. They are aptly named for their cacophonous cries. When a number of howlers let loose their lungs in concert, often at ...

Nearly two-thirds of all primates are in danger of disappearing, including 100 that have only been described by science in ...

Monkeys are the world’s best yodellers, according to new research. Rather than Austria or Switzerland, scientists say the champions at the traditional form of singing which involves repeated and ...

Spider monkeys are large New World monkeys that live in tropical rainforests from central Mexico in the north to Bolivia in the south. There are seven species of these agile primates, which get ...

These fall into three major groups: 172 Old World monkeys and apes (Catarrhini), 146 New World monkeys (Platyrrhini), and 144 lemurs, lorises, and galagos (Strepsirrhini). They’re not just ...

Over time, early primates split into different groups. The first to appear were the prosimians. Next were the New World and then the Old World monkeys. Old World monkeys live in Asia and Africa ...

The role of body-size variation as a "line of least evolutionary resistance" has been documented in both Old and New World monkeys (Figure 2). In these cases, diversification of cranial form ...

Hamrick, M. W. Functional and adaptive significance of primate pads and claws: evidence for New World anthropoids. American Journal of Physical Anthropology 106, 113-127 (1998). Hamrick ...