Fierce Orbweaver vs Isabelle's Serotine

Araneus saevus compared with Eptesicus isabellinus

Key Differences

• Fierce Orbweaver is Near Threatened while Isabelle's Serotine is Least Concern.

Taxonomic Classification

Rank	Fierce Orbweaver	Isabelle's Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Arachnida (Arachnids)	Mammalia (Mammals)
Order	Araneae (Araneae)	Chiroptera (Bats)
Family	Araneidae	Vespertilionidae
Genus	Araneus	Eptesicus
Species	Araneus saevus	Eptesicus isabellinus

Evolutionary Relationship

Fierce Orbweaver and Isabelle's Serotine share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fierce Orbweaver

NT — Near Threatened

Isabelle's Serotine

LC — Least Concern

Physical Characteristics

Attribute	Fierce Orbweaver	Isabelle's Serotine
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.

Isabelle's Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.