Giant Otter vs Olive-Backed Thrush

Pteronura brasiliensis compared with Catharus ustulatus

Key Differences

• Giant Otter is Endangered while Olive-Backed Thrush is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Olive-Backed Thrush
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Passeriformes (Songbirds)
Family	Mustelidae (Weasels & Otters)	Turdidae
Genus	Pteronura	Catharus
Species	Pteronura brasiliensis	Catharus ustulatus

Evolutionary Relationship

Giant Otter and Olive-Backed Thrush share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Olive-Backed Thrush

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Olive-Backed Thrush
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.

Olive-Backed Thrush

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Olive-Backed Thrush

Olive-Backed Thrush (Catharus ustulatus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela