Fierce Orbweaver vs Natterer's Bat

Araneus saevus compared with Myotis nattereri

Key Differences

• Fierce Orbweaver is Near Threatened while Natterer's Bat is Critically Endangered.

Taxonomic Classification

Rank	Fierce Orbweaver	Natterer's Bat
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	Myotis
Species	Araneus saevus	Myotis nattereri

Evolutionary Relationship

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

Conservation Status

Fierce Orbweaver

NT — Near Threatened

Natterer's Bat

CR — Critically Endangered

Physical Characteristics

Attribute	Fierce Orbweaver	Natterer's Bat
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.

Natterer's Bat

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden