aquatic rat vs Willow Pigmy

Anotomys leander compared with Stigmella obliquella

Key Differences

• aquatic rat is Endangered while Willow Pigmy is Least Concern.

Taxonomic Classification

Rank	aquatic rat	Willow Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Nepticulidae
Genus	Anotomys	Stigmella
Species	Anotomys leander	Stigmella obliquella

Evolutionary Relationship

aquatic rat and Willow Pigmy share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

aquatic rat

EN — Endangered

Willow Pigmy

LC — Least Concern

Physical Characteristics

Attribute	aquatic rat	Willow Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

aquatic rat

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Willow Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

aquatic rat

The Aquatic rat (Anotomys leander) is a species in the genus Anotomys. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.