Red howler

The red howlers are five species of howler monkeys that used to be considered conspecific:


 * Colombian red howler or Venezuelan red howler (Alouatta seniculus) – northwestern South America
 * Bolivian red howler (Alouatta sara) – Santa Cruz Department, Bolivia
 * Guyanan red howler (Alouatta macconnelli) – northeastern South America
 * Juruá red howler (Alouatta juara) – southeastern Amazon basin
 * Purus red howler (Alouatta puruensis) – southeastern Amazon basin