Allen's Big-eared Bat vs Fierce Orbweaver

Idionycteris phyllotis compared with Araneus saevus

Key Differences

• Allen's Big-eared Bat is Least Concern while Fierce Orbweaver is Near Threatened.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Fierce Orbweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Chiroptera (Bats)	Araneae (Araneae)
Family	Vespertilionidae	Araneidae
Genus	Idionycteris	Araneus
Species	Idionycteris phyllotis	Araneus saevus

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Fierce Orbweaver

NT — Near Threatened

Physical Characteristics

Attribute	Allen's Big-eared Bat	Fierce Orbweaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.