Allen's Big-eared Bat vs Green Silver-Spangled Shark

Idionycteris phyllotis compared with Cucullia argentea

Key Differences

• Allen's Big-eared Bat is Least Concern while Green Silver-Spangled Shark is Critically Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Green Silver-Spangled Shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Noctuidae
Genus	Idionycteris	Cucullia
Species	Idionycteris phyllotis	Cucullia argentea

Evolutionary Relationship

Allen's Big-eared Bat and Green Silver-Spangled Shark share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Green Silver-Spangled Shark

CR — Critically Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Green Silver-Spangled Shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Green Silver-Spangled Shark

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

Distributed across Denmark, Norway, Sweden, and Ukraine. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.