Giant Otter vs Stygian Owl

Pteronura brasiliensis compared with Asio stygius

Key Differences

• Giant Otter is Endangered while Stygian Owl is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Stygian Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Strigiformes (Owls)
Family	Mustelidae (Weasels & Otters)	Strigidae (True Owls)
Genus	Pteronura	Asio
Species	Pteronura brasiliensis	Asio stygius

Evolutionary Relationship

Giant Otter and Stygian Owl share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Stygian Owl

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Stygian Owl
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.

Stygian Owl

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Stygian Owl

Stygian Owl (Asio stygius) 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