Merriam’s Pocket Mouse vs Ruby-Crowned Kinglet

Perognathus merriami compared with Regulus calendula

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Ruby-Crowned Kinglet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Heteromyidae	Regulidae
Genus	Perognathus	Regulus
Species	Perognathus merriami	Regulus calendula

Evolutionary Relationship

Merriam’s Pocket Mouse and Ruby-Crowned Kinglet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Ruby-Crowned Kinglet

LC — Least Concern

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Ruby-Crowned Kinglet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruby-Crowned Kinglet

Habitat

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

Range

Distributed across Norway and United States.