Opossum-souris De Handley vs Long-tailed Ground Squirrel

Marmosops handleyi compared with Urocitellus undulatus

Key Differences

• Opossum-souris De Handley is Critically Endangered while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Opossum-souris De Handley	Long-tailed Ground Squirrel
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Didelphimorphia (Didelphimorphia)	Rodentia (Rodents)
Family	Didelphidae	Sciuridae (Squirrels)
Genus	Marmosops	Urocitellus
Species	Marmosops handleyi	Urocitellus undulatus

Evolutionary Relationship

Opossum-souris De Handley and Long-tailed Ground Squirrel share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Opossum-souris De Handley

CR — Critically Endangered

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Opossum-souris De Handley	Long-tailed Ground Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Opossum-souris De Handley

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.

Long-tailed Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.