Lesser Scaup vs Oriente Cave Rat

Aythya affinis compared with Boromys offella

Key Differences

• Lesser Scaup is Least Concern while Oriente Cave Rat is Extinct.

Taxonomic Classification

Rank	Lesser Scaup	Oriente Cave Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Echimyidae
Genus	Aythya	Boromys
Species	Aythya affinis	Boromys offella

Evolutionary Relationship

Lesser Scaup and Oriente Cave Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Scaup

LC — Least Concern

Oriente Cave Rat

EX — Extinct

Physical Characteristics

Attribute	Lesser Scaup	Oriente Cave Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Scaup

Habitat

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

Range

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

Oriente Cave Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Scaup

Lesser Scaup (Aythya affinis) 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.