Giant Otter vs Isabelle's Serotine

Pteronura brasiliensis compared with Eptesicus isabellinus

Key Differences

• Giant Otter is Endangered while Isabelle's Serotine is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Isabelle's Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Chiroptera (Bats)
Family	Mustelidae (Weasels & Otters)	Vespertilionidae
Genus	Pteronura	Eptesicus
Species	Pteronura brasiliensis	Eptesicus isabellinus

Evolutionary Relationship

Giant Otter and Isabelle's Serotine share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Giant Otter

EN — Endangered

Isabelle's Serotine

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Isabelle's Serotine
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.

Isabelle's Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.