Lesser Akialoa vs Merriam’s Pocket Mouse

Akialoa obscura compared with Perognathus merriami

Key Differences

• Lesser Akialoa is Extinct while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Lesser Akialoa	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Rodentia (Rodents)
Family	Fringillidae	Heteromyidae
Genus	Akialoa	Perognathus
Species	Akialoa obscura	Perognathus merriami

Evolutionary Relationship

Lesser Akialoa and Merriam’s Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Akialoa

EX — Extinct

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Lesser Akialoa	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Akialoa

Habitat

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

Range

Found in Norway.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.