Napo Spiny-rat vs Pear-tree Pigmy

Proechimys quadruplicatus compared with Stigmella pyri

Key Differences

• Napo Spiny-rat is Least Concern while Pear-tree Pigmy is Endangered.

Taxonomic Classification

Rank	Napo Spiny-rat	Pear-tree Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Echimyidae	Nepticulidae
Genus	Proechimys	Stigmella
Species	Proechimys quadruplicatus	Stigmella pyri

Evolutionary Relationship

Napo Spiny-rat and Pear-tree Pigmy share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Napo Spiny-rat

LC — Least Concern

Pear-tree Pigmy

EN — Endangered

Physical Characteristics

Attribute	Napo Spiny-rat	Pear-tree Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Pear-tree Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.