Alouatta nigerrima, Lonnberg, 1941

Russell A. Mittermeier, Anthony B. Rylands & Don E. Wilson, 2013, Atelidae, Handbook of the Mammals of the World – Volume 3 Primates, Barcelona: Lynx Edicions, pp. 484-549 : 527

5 .

Amazon Black Howler

Alouatta nigerrima

French: Hurleur de Lonnberg / German: Amazonas-Brllaffe / Spanish: Mono aullador negro Other common names: Black Howler Monkey

Taxonomy. Alouatta nigerrima Lonnberg, 1941 ,

Brazil. Restricted by Cabrera in 1957 to Patinga, Amazonas .

Formerly believed to be a subspecies of A. belzebul . Monotypic.

Distribution. NC Brazil (states of Amazonas and Para), S of the Rio Amazonas between the Rios Madeira and Tapajos; there are outlying populations at Oriximina and Obidos on the N bank the Rio Amazonas and at Lago Janauaca,just S of the Rio Solimoes between the rios Coari and Purus.

Descriptive notes. Head-body 58-63 cm (males) and 48-5-64-8 cm (females), tail 64-69 cm (males) and 56-5-65 cm (females); weight 4-9-8 kg. The Amazon Black Howler is a large, entirely black species, with minimal sexual dichromatism. Unlike the Red-handed Howler (A. belzebul ), which has a backward-directed toupee that meets a forward-directed stream from the nape whorl, the Amazon Black Howler has a short transverse crest that runs across the middle to the back of the crown. Morphology of the hyoid apparatusis distinct from that of the Red-handed Howler.

Habitat. Tall evergreen terra firmaforest, seasonally inundated forest and forest patches in savanna areas, and secondary forest in abandoned rubber plantations.

Food and Feeding. There is no information available for this species.

Breeding. There is no information available for this species.

Activity patterns. The Amazon Black Howler is no doubt diurnal and arboreal, butit has not been studied in the wild.

Movements, Home range and Social organization. The Amazon Black Howlerlives in unimale—-multifemale groups.

Status and Conservation. CITES Appendix II. Classified as Least Concern on The IUCN Red Lust. Little information is available for the Amazon Black Howler. It occurs in Amazonia National Park to the east of the Rio Tapajos.

Bibliography. Armada et al. (1987), Cabrera (1957), da Cruz Lima (1945), Gregorin (2006), Gregorin et al. (2008), Lima & Seuanez (1989), Neville et al. (1988), Oliveira (1996).

Figures

On following pages 2 Urs ne Red Howler (Alouatta arcroldoal 3 Guıanan Red Howler (Alouarra macconnellı) 4 Bolıvıan Red Howler (Alouatta sara) 5 Amazon Black Howler Alouatta nigerrima) 6 Red-handed Howler (Alouarta belzebul) 7 Spıx s Howler (Alouatta discolorl 8 Maranhão Red-handed Howler (Alouatta ululata)

Distribution. NC Brazil (states of Amazonas and Para), S of the Rio Amazonas between the Rios Madeira and Tapajos; there are outlying populations at Oriximina and Obidos on the N bank the Rio Amazonas and at Lago Janauaca,just S of the Rio Solimoes between the rios Coari and Purus.