Amazonian Marsh Rat vs Fierce Orbweaver

Holochilus sciureus compared with Araneus saevus

Key Differences

• Amazonian Marsh Rat is Least Concern while Fierce Orbweaver is Near Threatened.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Fierce Orbweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Rodentia (Rodents)	Araneae (Araneae)
Family	Cricetidae	Araneidae
Genus	Holochilus	Araneus
Species	Holochilus sciureus	Araneus saevus

Evolutionary Relationship

Amazonian Marsh Rat and Fierce Orbweaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Fierce Orbweaver

NT — Near Threatened

Physical Characteristics

Attribute	Amazonian Marsh Rat	Fierce Orbweaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.