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Há 3 dias · Range and density of non-human primates. Primates is an order of mammals, which is further divided into the strepsirrhines, which include lemurs, galagos, and lorisids; and the haplorhines, which include tarsiers; and the simians, which include monkeys and apes.
Há 6 dias · All mammals have four chambered hearts (with two atria and two ventricles) and lack cervical ribs (now mammals only have thoracic ribs). Monotremes are an egg-laying group of mammals represented today by the platypus and echidna .
Há 3 dias · Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid family that includes all the great apes.
Há 2 dias · Discovered in 2003, the Kipunji is a critically endangered monkey found in the forests of Tanzania. With an estimated population of fewer than 1,000 individuals, this species is threatened by habitat loss and fragmentation. Conservation programs aimed at protecting their forest habitat and raising awareness are essential for their survival.
Há 5 dias · Barbary macaque ( Macaca sylvana ). Macaques live in troops of varying size. The males dominate the troop and live within a clear but shifting dominance rank order. The ranking of females is longer-lasting and depends on their genealogical position.
Há 3 dias · Gibbons may be the most endangered groups of primates on Earth. Although they are still widely distributed in the rainforests and monsoon forests of Southeast Asia, they are increasingly under threat as their forest habitat is being destroyed.
Há 4 dias · black spider monkey. Black spider monkey (Ateles paniscus paniscus). Spider monkeys weigh about 6 kg (13.2 pounds) and are 35–66 cm (14–26 inches) long, excluding the heavily furred tail, which is longer than the body. The coat, of variable length and fineness, ranges among the several species from gray to reddish, dark brown, or black.
