Allen's Big-eared Bat vs Chatham shag

Idionycteris phyllotis compared with Leucocarbo onslowi

Key Differences

• Allen's Big-eared Bat is Least Concern while Chatham shag is Critically Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Chatham shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Suliformes (Suliformes)
Family	Vespertilionidae	Phalacrocoracidae
Genus	Idionycteris	Leucocarbo
Species	Idionycteris phyllotis	Leucocarbo onslowi

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Chatham shag

CR — Critically Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Chatham shag
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chatham shag

Habitat

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

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.

Chatham shag

The Chatham shag (Leucocarbo onslowi) is a species in the genus Leucocarbo. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.