Douroucouli a bras gris vs Hector’s Beaked Whale

Aotus griseimembra compared with Mesoplodon hectori

Key Differences

• Douroucouli a bras gris is Vulnerable while Hector’s Beaked Whale is Data Deficient.

Taxonomic Classification

Rank	Douroucouli a bras gris	Hector’s Beaked Whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Cetacea (Whales & Dolphins)
Family	Aotidae	Hyperoodontidae
Genus	Aotus	Mesoplodon
Species	Aotus griseimembra	Mesoplodon hectori

Evolutionary Relationship

Douroucouli a bras gris and Hector’s Beaked Whale share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Douroucouli a bras gris

VU — Vulnerable

Hector’s Beaked Whale

DD — Data Deficient

Physical Characteristics

Attribute	Douroucouli a bras gris	Hector’s Beaked Whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Douroucouli a bras gris

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Hector’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.