All group members interact affiliatively with infants. What threats they face They are found in Marojejy National Park and ASSR, and very rarely the Anjanaharibe and Manandriana portions of Mikira Protected Area north of the Antainambalana River. Marojejy National Park. Its population size is estimated to range between 100 and 1,000 individuals, while the number of mature individuals is thought to be less than 250. No silky sifakas are kept in captivity, such as in zoos. The Silky sifaka (Propithecus candidus), remarkable by its longwholly white fur, is one of the world’s rarest mammals. Social structure is variable. The silky sifaka (Propithecus candidus), is a large lemur with long, silky white fur. As a result, the lemurs cannot easily cross farmed fields to mingle and mate with other populations. This large lemurmeasures 48-58 cm long and weighs 5-6 kg. They travel by vertical clinging and leaping which allows them to leap more than 20 feet between tree trunks. Silky sifakas are hunted throughout their range as there is no local taboo against eating them. "...every type of lemur in the area—including indris and thehighly endangered Silky Sifaka—are hunted down by packs of trained dogsand killed. WCS, the "W" logo, WE STAND FOR WILDLIFE, I STAND FOR WILDLIFE, and STAND FOR WILDLIFE are service marks of Wildlife Conservation Society. Little is known about the longevity of these sifakas in the wild. Its population size is estimated to range between 100 and 1,000 individuals, while the number of mature individuals is thought to be less than 250. Verreaux's sifakas were struggling long before this outbreak. The silky sifaka is one of five lemurs listed as one of "The World's 25 Most Endangered Primates" and has been on the list all five times since its inception in 2000. Gestation is six months and generally a female only gives birth every two years. Their coat is long, soft and silky, colored in white and tinged with silver on their back, legs and the head top. This white lemur is one of the most endangered species in the world. Small groups are pair bonded family groups while some larger groups are polygynous containing more than one breeding female though never more than one adult male. The species is found only in the Ankarafantsika Nature Reserve and the Bora Special Reserve, and these have both been damaged by yearly fires set by nearby farmers. As silky sifakas age, individuals lose skin pigment, leading to totally pink faces in extreme cases. And two of the three endangered species reported to … Population number. It has a head to body length of about 48 to 54 cm. The pelage is long, silky and white, which gives this species its common name. Although all infants are born with black skin, all individuals lose pigmentation to varying degrees as they get older, resulting in skin color which is a mix of pink and black, with some individuals having all pink or all black faces. © 2020 Copyright Lemur Conservation Foundation. Lemurs are part of a group of the most basal living primates, and have evolved independently on Madagascar for 50-60 million years. More than 100 types of trees, vines, and epiphytes are eaten. Sifaka, (genus Propithecus), any of nine species of leaping arboreal lemurs found in coastal forests of Madagascar.Sifakas are about 1 metre (3.3 feet) long, roughly half the length being tail. Other than that, they are fine with other organisms. But the major threat ishunting as there is no local taboo (fady) against eating this species. "Earth's Endangered Creatures - Diademed Sifaka Facts" (Online) - Licensed article from Wikipedia: The Free Encyclopedia. Mating occurs on a single day each year in December or January. What threats they face Silky sifakas are hunted throughout their range as there is no local taboo against eating them. It is one of the rarest and most critically endangered lemurs. This gives this creature a total length of about 93 to 105 cm. Adult males and females can be readily distinguished from one another by the pelage coloration of the upper chest. Raptors used to be a big problem and sifakas still vocalize when they see or hear a buzzard. Long bouts of terrestrial play involving adults are not uncommon. Material andtechnical support are given to the local people to help them adoptnon-destructive socio-economic activities. It is believed that only one female from each group breeds, while males may move from group to group. Grooming is the most frequent form of non-maternal infant care, followed by playing, occasional carrying, as well as nursing in a few remarkable instances. 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