Eden Fontes   cc-by-nc-4.0

Alouatta ululata (Maranhão Red Handed Howler Monkey) is a species of primates in the family atelid monkeys. They are listed as endangered by IUCN. They are herbivores.

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EOL has data for 14 attributes, including:

Known occurrences, collected specimens and observations of Maranhão Red-handed Howler Monkey. View this species on GBIF