Allen s Swamp Monkey vs Least Bittern

Allenopithecus nigroviridis compared with Ixobrychus exilis

Taxonomic Classification

Rank	Allen s Swamp Monkey	Least Bittern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Pelecaniformes (Pelecaniformes)
Family	Cercopithecidae (Old World Monkeys)	Ardeidae
Genus	Allenopithecus	Ixobrychus
Species	Allenopithecus nigroviridis	Ixobrychus exilis

Evolutionary Relationship

Allen s Swamp Monkey and Least Bittern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Allen s Swamp Monkey

LC — Least Concern

Least Bittern

LC — Least Concern

Physical Characteristics

Attribute	Allen s Swamp Monkey	Least Bittern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen s Swamp Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Bittern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Allen s Swamp Monkey

The Allen s Swamp Monkey (Allenopithecus nigroviridis) is a species in the genus Allenopithecus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Least Bittern

Least Bittern (Ixobrychus exilis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.