Giant Otter vs Râle de Cayenne

Pteronura brasiliensis compared with Aramides cajanea

Key Differences

• Giant Otter is Endangered while Râle de Cayenne is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Râle de Cayenne
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Aves (oiseau)
Order	Carnivora (carnivores)	Gruiformes (Gruiformes)
Family	Mustelidae (Weasels & Otters)	Rallidae
Genus	Pteronura	Aramides
Species	Pteronura brasiliensis	Aramides cajanea

Evolutionary Relationship

Giant Otter and Râle de Cayenne share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Râle de Cayenne

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Râle de Cayenne
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Râle de Cayenne

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Râle de Cayenne

Gray-cowled Wood-Rail (Aramides cajanea) 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 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela