Blond monk monkey
| Blond monk monkey | ||||||||||||
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Blond monk monkey ( Pithecia albicans ) |
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| Pithecia albicans | ||||||||||||
| Gray , 1860 |
The Blonde monk saki ( Pithecia albicans ), and black back monk saki or Schwarzrückensaki called, is a primate species from the group of the New World monkeys .
features
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Blonde monk monkeys are among the largest representatives of the sakia monkeys . They reach a head-trunk length of 50 to 57 cm (males) or 38.5 to 54 cm (females) and have a 40 to 57 cm (males) or 41.5 to 49 cm (females) long tail . The weight is up to 3 kilograms. Their fur is long and shaggy, it is yellow-brown to light blond in color and turns red on the belly and on the inside of the limbs. The back and tail are colored black. The tail is bushy and cannot be used as a prehensile tail. The dark face of the males is hairless, that of the females partially covered with short white hair. Newborns are dark brown with short fur and hairless tails. From the age of 3 weeks onwards, they gradually take on the color of the adult coat through an almost orange-colored transition stage. However, they initially keep their short fur.
distribution and habitat
Blonde monk monkeys inhabit a small area in the western Amazon basin in Brazil . It lies south of the Amazon between the lower reaches of the Rio Juruá and Rio Purus . Their habitat are lowland rainforests ( Igapó forests and Várzea forests ).
Way of life
These primates are diurnal tree dwellers that predominantly inhabit the upper canopy, where they move on all fours or jumping. They live in family groups in which the partners live together monogamous , and which consist of three to four animals on average. The groups' roaming areas are relatively large with up to 200 hectares. Their diet consists mainly of seeds and fruits, to a small extent they eat flowers, leaves and other parts of plants as well as insects (less than 1%). A total of over 80 plant species are used as a source of food, important are the seeds of the sapote family and legumes . Blonde monk monkeys reproduce all year round. The pups become increasingly independent at four to six months of age, and by eleven months they are fully grown and have also reached the size of adults.
Danger
The main dangers of the blond monk monkey are the destruction of their habitat and hunting. The IUCN estimates that the total population has declined by over 30% in the past 27 years, and lists the species as "endangered" ( vulnerable ).
literature
- Thomas Geissmann : Comparative Primatology. Springer-Verlag, Berlin et al. 2003, ISBN 3-540-43645-6 .
- Ronald M. Nowak: Walker's Mammals of the World. 6th edition. Johns Hopkins University Press, Baltimore MD 1999, ISBN 0-8018-5789-9 .
Individual evidence
- ↑ a b c Stephen F. Ferrari, Liza M. Veiga, Liliam P. Pinto, Laura K. Marsh, Russell A. Mittermeier & Anthony B. Rylands: Family Pitheciidae (Titis, Sakis and Uacaris). Page 476 in Russell A. Mittermeier , Anthony B. Rylands & Don E. Wilson : Handbook of the Mammals of the World - Volume 3: Primates. Lynx Editions, 2013 ISBN 978-8496553897
- ^ IUCN entry
