Merriam’s Pocket Mouse vs Pine Siskin

Perognathus merriami compared with Spinus pinus

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Pine Siskin

LC — Least Concern

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Pine Siskin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pine Siskin

Habitat

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

Range

Distributed across Norway and United States.