Pacific Spiny-rat vs Red Knot

Proechimys decumanus compared with Calidris canutus

Key Differences

• Pacific Spiny-rat is Near Threatened while Red Knot is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Red Knot
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Echimyidae	Scolopacidae
Genus	Proechimys	Calidris
Species	Proechimys decumanus	Calidris canutus

Evolutionary Relationship

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

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Red Knot

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Red Knot
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.

Red Knot

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Red Knot

Red Knot (Calidris canutus) 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.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador