Gray-bellied Night Monkey vs Ruddy Shelduck

Aotus lemurinus compared with Tadorna ferruginea

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Ruddy Shelduck is Not Evaluated.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Ruddy Shelduck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Anseriformes (Anseriformes)
Family	Aotidae	Anatidae
Genus	Aotus	Tadorna
Species	Aotus lemurinus	Tadorna ferruginea

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Ruddy Shelduck

NE — Not Evaluated

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Ruddy Shelduck
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.

Ruddy Shelduck

Habitat

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

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

Ruddy Shelduck

Ruddy Shelduck (Tadorna ferruginea) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.