Giant Otter vs Long Tom Widow

Pteronura brasiliensis compared with Dingana angusta

Key Differences

• Giant Otter is Endangered while Long Tom Widow is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Long Tom Widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Lepidoptera (Butterflies & Moths)
Family	Mustelidae (Weasels & Otters)	Nymphalidae (Brush-footed Butterflies)
Genus	Pteronura	Dingana
Species	Pteronura brasiliensis	Dingana angusta

Evolutionary Relationship

Giant Otter and Long Tom Widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giant Otter

EN — Endangered

Long Tom Widow

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Long Tom Widow
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 Tom Widow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.