Say hello to Evi

Evi is our best selling mobile app that can answer questions about books, music, films, conversions, history, people, places and much more.

To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire.

You asked:

are siamangs old world monkeys

No. A [siamang] is not an Old World monkey.
[siamang]
[siamang]
[siamang]

Old World monkey
Old World monkey
Old World monkey