Merriam’s Pocket Mouse vs Rusty-flanked Treecreeper

Perognathus merriami compared with Certhia nipalensis

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Rusty-flanked Treecreeper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Heteromyidae	Certhiidae
Genus	Perognathus	Certhia
Species	Perognathus merriami	Certhia nipalensis

Evolutionary Relationship

Merriam’s Pocket Mouse and Rusty-flanked Treecreeper share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Rusty-flanked Treecreeper

LC — Least Concern

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Rusty-flanked Treecreeper
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rusty-flanked Treecreeper

Habitat

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

Range

Found in Norway.