Guyanese arrowhead vs Merriam’s Pocket Mouse

Sagittaria guayanensis compared with Perognathus merriami

Taxonomic Classification

Rank	Guyanese arrowhead	Merriam’s Pocket Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Alismatales (Alismatales)	Rodentia (Rodents)
Family	Alismataceae	Heteromyidae
Genus	Sagittaria	Perognathus
Species	Sagittaria guayanensis	Perognathus merriami

Conservation Status

Guyanese arrowhead

LC — Least Concern

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Guyanese arrowhead

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Brazil, Colombia, Comoros, Madagascar, and United States.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.