11. Rio Manicoré Marmoset Mico manicorensis French: Ouistiti du Manicoré / German: Rio-Manicoré-Seidenaffchen / Spanish: Titi de Manicore Other common names: Manicoré Marmoset Taxonomy. Callithrix manicorensis van Roosmalen et al., 2000, Seringal Sao Luis, east bank of the middle Rio Madeira, in the vicinity of the town of Manicoré, Amazonas State, Brazil, south-central Amazonia (05° 50° 28” S, 61° 18’ 19” W,altitude 45m). This species is monotypic. Distribution. Brazilian Amazon, W bank of the lower Rio Aripuana from the mouth, W as far as the Rio Manicoré, S toward its headwaters, S limits are probably the headwaters of the rios Mataura or Araud, c.7° S. Descriptive notes. Head—body c.22 cm, tail ¢.38 cm; weight ¢.350 g. The upper body of the Rio Manicoré Marmoset is mottled silvery-white and gray, giving an almost striped effect on the back and rump. Underparts are whitish-yellow to orange and the tail is black. There is a light gray cap on the head. Outer surfaces of the thighs are dark reddy-brown, contrasting with the pale body. The face is naked and orange with dark brown around the eyes and nostrils and on the lower lip and chin. Genitals are not pigmented. Habitat. Dense primary and secondary rainforest; “seringal” (agroforestry of rubber trees, Brazil nut trees, wild cacao, and other fruit trees, along with numerous trees of subsistence and commercial interest to the local communities). Food and Feeding. The Rio Manicoré Marmoset eats small fruits, nectar, gums, and small animal prey. Breeding. There is no information available for this species. Activity patterns. There is no information available for this species. Movements, Home range and Social organization. There is no information available for this species. Status and Conservation. CITES Appendix II. Classified as Least Concern on The [UCN Red Lust. Surveys are needed to better understand the geographic range and to clarify the conservation status of the Rio Manicoré Marmoset. Bibliography. van Roosmalen et al. (2000), Rylands et al. (2009).

Published as part of Russell A. Mittermeier, Anthony B. Rylands & Don E. Wilson, 2013, Callitrichiade, pp. 262-346 in Handbook of the Mammals of the World – Volume 3 Primates, Barcelona :Lynx Edicions on page 312, DOI: 10.5281/zenodo.5730714