Handley s Slender Opossum vs Ruby-Crowned Kinglet

Marmosops handleyi compared with Regulus calendula

Key Differences

• Handley s Slender Opossum is Critically Endangered while Ruby-Crowned Kinglet is Least Concern.

Taxonomic Classification

Rank	Handley s Slender Opossum	Ruby-Crowned Kinglet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Passeriformes (Songbirds)
Family	Didelphidae	Regulidae
Genus	Marmosops	Regulus
Species	Marmosops handleyi	Regulus calendula

Evolutionary Relationship

Handley s Slender Opossum and Ruby-Crowned Kinglet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Handley s Slender Opossum

CR — Critically Endangered

Ruby-Crowned Kinglet

LC — Least Concern

Physical Characteristics

Attribute	Handley s Slender Opossum	Ruby-Crowned Kinglet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Handley s Slender Opossum

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 4 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Ruby-Crowned Kinglet

Habitat

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

Range

Distributed across Norway and United States.