Giant Otter vs Long-eared Owl

Pteronura brasiliensis compared with Asio otus

Key Differences

• Giant Otter is Endangered while Long-eared Owl is Data Deficient.

Taxonomic Classification

Rank	Giant Otter	Long-eared 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 otus

Evolutionary Relationship

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

Conservation Status

Giant Otter

EN — Endangered

Long-eared Owl

DD — Data Deficient

Physical Characteristics

Attribute	Giant Otter	Long-eared 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.

Long-eared Owl

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

Long-eared Owl

Long-eared Owl (Asio otus) is classified as Data Deficient (DD) on the IUCN Red List. Insufficient data available to assess extinction risk. Further research and field surveys are needed.