Chinese river dolphin vs Greater Scaup

Lipotes vexillifer compared with Aythya marila

Key Differences

• Chinese river dolphin is Critically Endangered while Greater Scaup is Vulnerable.

Taxonomic Classification

Rank	Chinese river dolphin	Greater Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Anseriformes (Anseriformes)
Family	Lipotidae	Anatidae
Genus	Lipotes	Aythya
Species	Lipotes vexillifer	Aythya marila

Evolutionary Relationship

Chinese river dolphin and Greater Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chinese river dolphin

CR — Critically Endangered

Greater Scaup

VU — Vulnerable

Physical Characteristics

Attribute	Chinese river dolphin	Greater Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chinese river dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Greater Scaup

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Chinese river dolphin

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.

Greater Scaup

Greater Scaup (Aythya marila) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.