Dusky Slender Opossum vs Olive-Side Flycatcher

Marmosops fuscatus compared with Contopus cooperi

Key Differences

• Dusky Slender Opossum is Data Deficient while Olive-Side Flycatcher is Near Threatened.

Taxonomic Classification

Rank	Dusky Slender Opossum	Olive-Side Flycatcher
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	Marmosops	Contopus
Species	Marmosops fuscatus	Contopus cooperi

Evolutionary Relationship

Dusky Slender Opossum and Olive-Side Flycatcher share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Slender Opossum

DD — Data Deficient

Olive-Side Flycatcher

NT — Near Threatened

Physical Characteristics

Attribute	Dusky Slender Opossum	Olive-Side Flycatcher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Olive-Side Flycatcher

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Olive-Side Flycatcher

Olive-Side Flycatcher (Contopus cooperi) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela