Merriam’s Pocket Mouse vs

Perognathus merriami compared with Nostoc sphaericum

Key Differences

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

Taxonomic Classification

Rank	Merriam’s Pocket Mouse
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Cyanobacteria (Cyanobacteria)
Class	Mammalia (Mammals)	Cyanobacteriia
Order	Rodentia (Rodents)	Cyanobacteriales
Family	Heteromyidae	Nostocaceae
Genus	Perognathus	Nostoc
Species	Perognathus merriami	Nostoc sphaericum

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Nostoc sphaericum is a colonial, nitrogen-fixing cyanobacterium in the family Nostocaceae, forming gelatinous spherical or irregular colonies visible to the naked eye. It inhabits moist soils, rocks, and freshwater environments, often forming conspicuous blobs after rainfall.