Dusky Slender Opossum vs Green-tailed Trainbearer

Marmosops fuscatus compared with Lesbia nuna

Key Differences

• Dusky Slender Opossum is Data Deficient while Green-tailed Trainbearer is Least Concern.

Taxonomic Classification

Rank	Dusky Slender Opossum	Green-tailed Trainbearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Apodiformes (Apodiformes)
Family	Didelphidae	Trochilidae
Genus	Marmosops	Lesbia
Species	Marmosops fuscatus	Lesbia nuna

Evolutionary Relationship

Dusky Slender Opossum and Green-tailed Trainbearer share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Slender Opossum

DD — Data Deficient

Green-tailed Trainbearer

LC — Least Concern

Physical Characteristics

Attribute	Dusky Slender Opossum	Green-tailed Trainbearer
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.

Green-tailed Trainbearer

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Green-tailed Trainbearer

A medium-sized Andean hummingbird with a long, deeply forked green tail — the longest tail relative to body size among trainbearer hummingbirds — male green-tailed trainbearers inhabit open grassland, scrub, and Andean hedgerows from Ecuador to Bolivia at elevations of 2,000–4,000 meters. Males perform aerial display flights with the ornamental tail streaming behind. Found in semi-open Andean landscapes including gardens, agricultural areas, and páramo edges where they feed at diverse flowering plants.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela