Giant Otter vs Gray-tailed Tattler

Pteronura brasiliensis compared with Tringa brevipes

Key Differences

• Giant Otter is Endangered while Gray-tailed Tattler is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter	Gray-tailed Tattler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Charadriiformes (Charadriiformes)
Family	Mustelidae (Weasels & Otters)	Scolopacidae
Genus	Pteronura	Tringa
Species	Pteronura brasiliensis	Tringa brevipes

Evolutionary Relationship

Giant Otter and Gray-tailed Tattler share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Gray-tailed Tattler

NE — Not Evaluated

Physical Characteristics

Attribute	Giant Otter	Gray-tailed Tattler
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.

Gray-tailed Tattler

Habitat

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

Range

Distributed across Norway, Sweden, and Taiwan.