Brown-backed Chat-Tyrant vs Japanese Weasel

Ochthoeca fumicolor compared with Mustela itatsi

Key Differences

• Brown-backed Chat-Tyrant is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Brown-backed Chat-Tyrant	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Carnivora (Carnivorans)
Family	Tyrannidae	Mustelidae (Weasels & Otters)
Genus	Ochthoeca	Mustela
Species	Ochthoeca fumicolor	Mustela itatsi

Evolutionary Relationship

Brown-backed Chat-Tyrant and Japanese Weasel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown-backed Chat-Tyrant

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Brown-backed Chat-Tyrant	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown-backed Chat-Tyrant

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brown-backed Chat-Tyrant

Brown-backed Chat-Tyrant (Ochthoeca fumicolor) 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.