Heavy-browed Mouse Opossum vs Rufous-breasted Chat-Tyrant

Marmosa andersoni compared with Ochthoeca rufipectoralis

Key Differences

• Heavy-browed Mouse Opossum is Data Deficient while Rufous-breasted Chat-Tyrant is Least Concern.

Taxonomic Classification

Rank	Heavy-browed Mouse Opossum	Rufous-breasted Chat-Tyrant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Passeriformes (Songbirds)
Family	Didelphidae	Tyrannidae
Genus	Marmosa	Ochthoeca
Species	Marmosa andersoni	Ochthoeca rufipectoralis

Evolutionary Relationship

Heavy-browed Mouse Opossum and Rufous-breasted Chat-Tyrant share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Heavy-browed Mouse Opossum

DD — Data Deficient

Rufous-breasted Chat-Tyrant

LC — Least Concern

Physical Characteristics

Attribute	Heavy-browed Mouse Opossum	Rufous-breasted Chat-Tyrant
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Heavy-browed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rufous-breasted Chat-Tyrant

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Rufous-breasted Chat-Tyrant

Rufous-breasted Chat-Tyrant (Ochthoeca rufipectoralis) 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.