Flea vs Merriam’s Pocket Mouse

Nosopsyllus londiniensis compared with Perognathus merriami

Key Differences

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

Taxonomic Classification

Rank	Flea	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Siphonaptera (Siphonaptera)	Rodentia (Rodents)
Family	Ceratophyllidae	Heteromyidae
Genus	Nosopsyllus	Perognathus
Species	Nosopsyllus londiniensis	Perognathus merriami

Evolutionary Relationship

Flea and Merriam’s Pocket Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Flea

NE — Not Evaluated

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Sweden and United States.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.