Feldhamster vs Mondolfi’s Four-eyed Opossum

Cricetus cricetus compared with Philander mondolfii

Key Differences

• Feldhamster is Critically Endangered while Mondolfi’s Four-eyed Opossum is Least Concern.

Taxonomic Classification

Rank	Feldhamster	Mondolfi’s Four-eyed Opossum
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Rodentia (Nagetiere)	Didelphimorphia (Beutelrattenartige)
Family	Cricetidae	Didelphidae
Genus	Cricetus	Philander
Species	Cricetus cricetus	Philander mondolfii

Evolutionary Relationship

Feldhamster and Mondolfi’s Four-eyed Opossum share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Feldhamster

CR — Critically Endangered

Mondolfi’s Four-eyed Opossum

LC — Least Concern

Physical Characteristics

Attribute	Feldhamster	Mondolfi’s Four-eyed Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Feldhamster

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Denmark, Russia, and Ukraine. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Mondolfi’s Four-eyed Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.