Giant Otter vs Williamson's Emerald

Pteronura brasiliensis compared with Somatochlora williamsoni

Key Differences

• Giant Otter is Endangered while Williamson's Emerald is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Williamson's Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Odonata (Odonata)
Family	Mustelidae (Weasels & Otters)	Corduliidae
Genus	Pteronura	Somatochlora
Species	Pteronura brasiliensis	Somatochlora williamsoni

Evolutionary Relationship

Giant Otter and Williamson's Emerald share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giant Otter

EN — Endangered

Williamson's Emerald

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Williamson's Emerald
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.

Williamson's Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.