Dusky Leaftosser vs Giant Otter

Sclerurus obscurior compared with Pteronura brasiliensis

Key Differences

• Dusky Leaftosser is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Dusky Leaftosser	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Carnivora (Carnivorans)
Family	Furnariidae	Mustelidae (Weasels & Otters)
Genus	Sclerurus	Pteronura
Species	Sclerurus obscurior	Pteronura brasiliensis

Evolutionary Relationship

Dusky Leaftosser and Giant Otter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Leaftosser

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Dusky Leaftosser	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Leaftosser

Habitat

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

Range

Distributed across Colombia and Venezuela.

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela