Napo Spiny-rat vs Redhead

Proechimys quadruplicatus compared with Aythya americana

Key Differences

• Napo Spiny-rat is Least Concern while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Napo Spiny-rat	Redhead
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 quadruplicatus	Aythya americana

Evolutionary Relationship

Napo Spiny-rat and Redhead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Napo Spiny-rat

LC — Least Concern

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Napo Spiny-rat	Redhead
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.

Redhead

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.