Fierce Orbweaver vs Heavy-browed Mouse Opossum

Araneus saevus compared with Marmosa andersoni

Key Differences

• Fierce Orbweaver is Near Threatened while Heavy-browed Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Fierce Orbweaver	Heavy-browed Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Arachnida (Arachnids)	Mammalia (Mammals)
Order	Araneae (Araneae)	Didelphimorphia (Didelphimorphia)
Family	Araneidae	Didelphidae
Genus	Araneus	Marmosa
Species	Araneus saevus	Marmosa andersoni

Evolutionary Relationship

Fierce Orbweaver and Heavy-browed Mouse Opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fierce Orbweaver

NT — Near Threatened

Heavy-browed Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Fierce Orbweaver	Heavy-browed Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fierce Orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

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

Heavy-browed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.