Allen's Big-eared Bat vs Base-spotted Pigmy

Idionycteris phyllotis compared with Stigmella basiguttella

Key Differences

• Allen's Big-eared Bat is Least Concern while Base-spotted Pigmy is Near Threatened.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Base-spotted Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Nepticulidae
Genus	Idionycteris	Stigmella
Species	Idionycteris phyllotis	Stigmella basiguttella

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Base-spotted Pigmy

NT — Near Threatened

Physical Characteristics

Attribute	Allen's Big-eared Bat	Base-spotted Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.