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The black-and-white ruffed lemur (Varecia variegata) is an endangered species of ruffed lemur, one of two which are endemic to the island of Madagascar. Despite having a larger range than the red ruffed lemur , it has a much smaller population that is spread out, living in lower population densities and reproductively isolated .
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In fact, in captivity, it has been documented that red ruffed lemurs understand and even join in the alarm calls of black-and-white ruffed lemurs. [23] One minor difference between the vocal repertoires of these two species is in the pulse rate and frequency of the pulsed squawk , which is much faster and higher in red ruffed lemurs than in ...
Only the ring-tailed lemur, the bamboo lemurs (genus Hapalemur), and the black-and-white ruffed lemur (Varecia variegata) are known to consume herbs. While Madagascar is rich in fern diversity, these plants are rarely eaten by lemurs. One possible reason for this is that ferns lack flowers, fruits, and seeds—common food items in lemur diets.
Ring-tailed lemur (Lemur catta). Lemuroidea is a superfamily of primates.Members of this superfamily are called lemuroids, or lemurs. Lemuroidea is one of two superfamilies that form the suborder Strepsirrhini, itself one of two suborders in the order Primates.
This demonstrates that lemur species such as the lemur catta and the common brown lemur were forced to switch their primary diet to a group of secondary food sources. [ 9 ] With most lemurids, the mother gives birth to one or two young after a gestation period of between 120 and 140 days, depending on species.
Red ruffed lemurs grooming each other. The red ruffed lemur is a very clean animal and spends a lot of time grooming itself and in social grooming. The lower incisors (front teeth) and the claw on the second toe of the hind foot are specially adapted for this behavior. The lower incisors grow forward in line with each other and are slightly spaced.
The ring-tailed lemur (Lemur catta) is a medium- to larger-sized strepsirrhine (wet-nosed) primate and the most internationally recognized lemur species, owing to its long, black-and-white, ringed tail. It belongs to Lemuridae, one of five lemur families, and is the only member of the Lemur genus.