Pacific Spiny-rat vs Tufted Duck

Proechimys decumanus compared with Aythya fuligula

Key Differences

• Pacific Spiny-rat is Near Threatened while Tufted Duck is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Tufted Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Echimyidae	Anatidae
Genus	Proechimys	Aythya
Species	Proechimys decumanus	Aythya fuligula

Evolutionary Relationship

Pacific Spiny-rat and Tufted Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Tufted Duck

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Tufted Duck
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.

Tufted Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (United States).

Tufted Duck

Tufted Duck (Aythya fuligula) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.