Giant Otter vs Window Gnat

Pteronura brasiliensis compared with Sylvicola fenestralis

Key Differences

• Giant Otter is Endangered while Window Gnat is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Window Gnat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Diptera (Diptera)
Family	Mustelidae (Weasels & Otters)	Anisopodidae
Genus	Pteronura	Sylvicola
Species	Pteronura brasiliensis	Sylvicola fenestralis

Evolutionary Relationship

Giant Otter and Window Gnat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giant Otter

EN — Endangered

Window Gnat

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Window Gnat
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.

Window Gnat

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.