Giant Otter vs Gray-rumped Swift

Pteronura brasiliensis compared with Chaetura cinereiventris

Key Differences

• Giant Otter is Endangered while Gray-rumped Swift is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Gray-rumped Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Apodiformes (Apodiformes)
Family	Mustelidae (Weasels & Otters)	Apodidae
Genus	Pteronura	Chaetura
Species	Pteronura brasiliensis	Chaetura cinereiventris

Evolutionary Relationship

Giant Otter and Gray-rumped Swift share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Gray-rumped Swift

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Gray-rumped Swift
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.

Gray-rumped Swift

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Gray-rumped Swift

Gray-rumped Swift (Chaetura cinereiventris) 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