Gray-bellied Night Monkey vs Great Bittern

Aotus lemurinus compared with Botaurus stellaris

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Great Bittern is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Great Bittern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Pelecaniformes (Pelecaniformes)
Family	Aotidae	Ardeidae
Genus	Aotus	Botaurus
Species	Aotus lemurinus	Botaurus stellaris

Evolutionary Relationship

Gray-bellied Night Monkey and Great Bittern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Great Bittern

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Great Bittern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Great Bittern

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Great Bittern

Great Bittern (Botaurus stellaris) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.