Arabian oryx vs Lesser Scaup

Oryx leucoryx compared with Aythya affinis

Key Differences

• Arabian oryx is Vulnerable while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Arabian oryx	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Anseriformes (Anseriformes)
Family	Bovidae (Bovids)	Anatidae
Genus	Oryx	Aythya
Species	Oryx leucoryx	Aythya affinis

Evolutionary Relationship

Arabian oryx and Lesser Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arabian oryx

VU — Vulnerable

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Arabian oryx	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arabian oryx

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Arabian oryx

The Arabian oryx (Oryx leucoryx) is a species in the genus Oryx. It is currently classified as Vulnerable on the IUCN Red List. 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.