Allen's Big-eared Bat vs Henderson Petrel

Idionycteris phyllotis compared with Pterodroma atrata

Key Differences

• Allen's Big-eared Bat is Least Concern while Henderson Petrel is Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Henderson Petrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Procellariiformes (Procellariiformes)
Family	Vespertilionidae	Procellariidae
Genus	Idionycteris	Pterodroma
Species	Idionycteris phyllotis	Pterodroma atrata

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Henderson Petrel

EN — Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Henderson Petrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Henderson Petrel

Habitat

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

Range

Found in Norway. Currently classified as 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.