Large False Serotine vs Least Auklet

Hesperoptenus tomesi compared with Aethia pusilla

Key Differences

• Large False Serotine is Vulnerable while Least Auklet is Least Concern.

Taxonomic Classification

Rank	Large False Serotine	Least Auklet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Vespertilionidae	Alcidae
Genus	Hesperoptenus	Aethia
Species	Hesperoptenus tomesi	Aethia pusilla

Evolutionary Relationship

Large False Serotine and Least Auklet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Large False Serotine

VU — Vulnerable

Least Auklet

LC — Least Concern

Physical Characteristics

Attribute	Large False Serotine	Least Auklet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large False Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Auklet

Habitat

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

Range

Found in Norway.