瑞氏海豚 vs 约氏走鸻

Grampus griseus compared with Rhinoptilus bitorquatus

Key Differences

• 瑞氏海豚 is Least Concern while 约氏走鸻 is Critically Endangered.

Taxonomic Classification

Rank	瑞氏海豚	约氏走鸻
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (鸻形目)
Family	Delphinidae (Oceanic Dolphins)	Glareolidae
Genus	Grampus	Rhinoptilus
Species	Grampus griseus	Rhinoptilus bitorquatus

Evolutionary Relationship

瑞氏海豚 and 约氏走鸻 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

瑞氏海豚

LC — Least Concern

约氏走鸻

CR — Critically Endangered

Physical Characteristics

Attribute	瑞氏海豚	约氏走鸻
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

瑞氏海豚

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

约氏走鸻

Habitat

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

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

瑞氏海豚

The Calderon Gris (Grampus griseus) is a species in the genus Grampus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway