A mature pair of siamangs sing a duet song that lasts approximately 15 minutes.
Patas monkeys, also known as red guenons, are old world monkeys that live in family groups. They are primarily ground-dwelling – being often found in open bush and grass savannas. Note the distinct black face and white moustache.
Common Marmoset Care, a new website, promotes the welfare of captive common marmosets (Callithrix jacchus) and illustrates their behavioural repertoire.
Designed to be approachable and fun to use, as well as instructive, the site is interactive and is illustrated extensively with photos and over 120 video clips to enjoy.
Tiny Primates With Ultrasonic Vocal Skills
By SINDYA N. BHANOO, The New York Times February 9, 2012
One of the world’s smallest primates turns out to be the only one that is ultrasonic, making and receiving calls that are outside the range of human hearing.
The animal is the tarsier, a five-inch-tall creature with pointy ears and large, round eyes. Tarsiers (pronounced TAR-see-ers) are considered endangered and are found only on islands in Southeast Asia — the Philippines, Sulawesi, Borneo and Sumatra. Read more