Allen's Big-eared Bat vs Little Tern

Idionycteris phyllotis compared with Sternula albifrons

Key Differences

• Allen's Big-eared Bat is Least Concern while Little Tern is Near Threatened.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Little Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Vespertilionidae	Laridae
Genus	Idionycteris	Sternula
Species	Idionycteris phyllotis	Sternula albifrons

Evolutionary Relationship

Allen's Big-eared Bat and Little Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Little Tern

NT — Near Threatened

Physical Characteristics

Attribute	Allen's Big-eared Bat	Little Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Little Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

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.