Grèbe à cou noir vs dauphin de risso

Podiceps nigricollis compared with Grampus griseus

Key Differences

• Grèbe à cou noir is Endangered while dauphin de risso is Least Concern.

Taxonomic Classification

Rank	Grèbe à cou noir	dauphin de risso
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Podicipediformes (Podicipediformes)	Cetacea (Whales & Dolphins)
Family	Podicipedidae	Delphinidae (Oceanic Dolphins)
Genus	Podiceps	Grampus
Species	Podiceps nigricollis	Grampus griseus

Evolutionary Relationship

Grèbe à cou noir and dauphin de risso share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Grèbe à cou noir

EN — Endangered

dauphin de risso

LC — Least Concern

Physical Characteristics

Attribute	Grèbe à cou noir	dauphin de risso
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grèbe à cou noir

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

dauphin de risso

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Grèbe à cou noir

Black-Necked Grebe (Podiceps nigricollis) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

dauphin de risso

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden