Gray-bellied Night Monkey vs House Sparrow

Aotus lemurinus compared with Passer domesticus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while House Sparrow is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	House Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Aotidae	Passeridae
Genus	Aotus	Passer
Species	Aotus lemurinus	Passer domesticus

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

House Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	House Sparrow
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.

House Sparrow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (25 countries), Asia (4 countries), Europe (7 countries), North America (15 countries), Oceania and the Pacific (Australia, New Zealand, Vanuatu), and South America (8 countries).

House Sparrow

House Sparrow (Passer domesticus) 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.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela