Pacific Spiny-rat vs Swan-feather Dwarf

Proechimys decumanus compared with Elachista argentella

Key Differences

• Pacific Spiny-rat is Near Threatened while Swan-feather Dwarf is Endangered.

Taxonomic Classification

Rank	Pacific Spiny-rat	Swan-feather Dwarf
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Echimyidae	Elachistidae
Genus	Proechimys	Elachista
Species	Proechimys decumanus	Elachista argentella

Evolutionary Relationship

Pacific Spiny-rat and Swan-feather Dwarf share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Swan-feather Dwarf

EN — Endangered

Physical Characteristics

Attribute	Pacific Spiny-rat	Swan-feather Dwarf
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Swan-feather Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.