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The extinction of the largest lemurs is often attributed to predation by humans and possibly habitat destruction. [2] Since all extinct lemurs were not only large (and thus ideal prey species), but also slow-moving (and thus more vulnerable to human predation), their presumably slow-reproducing and low-density populations were least likely to ...
Archaeoindris fontoynontii is an extinct giant lemur and the largest primate known to have evolved on Madagascar, comparable in size to a male gorilla.It belonged to a family of extinct lemurs known as "sloth lemurs" (Palaeopropithecidae) and, because of its extremely large size, it has been compared to the ground sloths that once roamed North and South America.
The indri (/ ˈ ɪ n d r i / ⓘ; Indri indri), also called the babakoto, [8] is one of the largest living lemurs, with a head-body length of about 64–72 cm (25– 28 + 1 ⁄ 2 in) and a weight of between 6 and 9.5 kg (13 and 21 lb). It has a black and white coat and maintains an upright posture when climbing or clinging.
Archaeoindris was the largest of the sloth lemurs, and the largest known lemur. It weighed approximately 160 kg (350 lb). Sloth lemurs. The sloth lemurs (family Palaeopropithecidae) were the most species-rich group of the subfossil lemurs, with four genera and eight species.
Some lemur species have extensive vocal repertoires, including the ring-tailed lemur and ruffed lemurs. [89] [117] Some of the most common calls among lemurs are predator alarm calls. Lemurs not only respond to alarm calls of their own species, but also alarm calls of other species and those of non-predatory birds.
Pachylemur is an extinct, giant lemur most closely related to the ruffed lemurs of genus Varecia.Two species are known, Pachylemur insignis and Pachylemur jullyi, although there is some doubt as to whether or not they may actually be the same species.
The two species differ genetically by 5.5%, Fry shared. “It’s quite significant – to put it in perspective, humans differ from chimpanzees by only about 2%."
Archaeolemur is an extinct genus of subfossil lemurs known from the Quaternary of Madagascar. [3] Archaeolemur is one of the most common and well-known of the extinct giant lemurs as hundreds of its bones have been discovered in fossil deposits across the island.