Allen's Big-eared Bat vs brook lamprey

Idionycteris phyllotis compared with Lampetra planeri

Key Differences

• Allen's Big-eared Bat is Least Concern while brook lamprey is Vulnerable.

Taxonomic Classification

Rank	Allen's Big-eared Bat	brook lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Petromyzonti (Petromyzonti)
Order	Chiroptera (Bats)	Petromyzontiformes (lamprey)
Family	Vespertilionidae	Petromyzontidae
Genus	Idionycteris	Lampetra
Species	Idionycteris phyllotis	Lampetra planeri

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

brook lamprey

VU — Vulnerable

Physical Characteristics

Attribute	Allen's Big-eared Bat	brook lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

brook lamprey

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable 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.

brook lamprey

The Brook Lamprey (Lampetra planeri) is a species in the genus Lampetra. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.