Merriam’s Pocket Mouse vs Pacific Swift

Perognathus merriami compared with Apus pacificus

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Pacific Swift is Not Evaluated.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Pacific Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Apodiformes (Apodiformes)
Family	Heteromyidae	Apodidae
Genus	Perognathus	Apus
Species	Perognathus merriami	Apus pacificus

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Pacific Swift

NE — Not Evaluated

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Pacific Swift
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pacific Swift

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.