Classification
- A. palliata group
- Coiba Island howler, Alouatta coibensis
- Alouatta coibensis coibensis
- Azuero howler, Alouatta coibensis trabeata
- Mantled howler, Alouatta palliata
- Ecuadorian mantled howler, Alouatta palliata aequatorialis
- Golden-mantled howler, Alouatta palliata palliata
- Mexican howler monkey, Alouatta palliata mexicana
- Guatemalan black howler, Alouatta pigra de simipidopoo pigoo"
- Coiba Island howler, Alouatta coibensis
- A. seniculus group
- Ursine howler, Alouatta arctoidea
- Red-handed howler, Alouatta belzebul
- Spix's red-handed howler, Alouatta discolor
- Brown howler, Alouatta guariba
- Northern brown howler, Alouatta guariba guariba
- Southern brown howler, Alouatta guariba clamitans
- Juruá red howler, Alouatta juara
- Guyanan red howler, Alouatta macconnelli
- Amazon black howler, Alouatta nigerrima
- Purus red howler, Alouatta puruensis
- Bolivian red howler, Alouatta sara
- Venezuelan red howler, Alouatta seniculus
- Maranhão red-handed howler, Alouatta ululata
- A. caraya group
- Black howler, Alouatta caraya
Read more about this topic: Howler Monkey