Atlantic Dolphin vs Red-Necked Grebe

Delphinus delphis compared with Podiceps grisegena

Key Differences

• Atlantic Dolphin is Least Concern while Red-Necked Grebe is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Dolphin	Red-Necked Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Podicipediformes (Podicipediformes)
Family	Delphinidae (Oceanic Dolphins)	Podicipedidae
Genus	Delphinus	Podiceps
Species	Delphinus delphis	Podiceps grisegena

Evolutionary Relationship

Atlantic Dolphin and Red-Necked Grebe share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Dolphin

LC — Least Concern

Red-Necked Grebe

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Dolphin	Red-Necked Grebe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Red-Necked Grebe

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

Atlantic Dolphin

Atlantic Dolphin (Delphinus delphis) 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.

Red-Necked Grebe

Red-Necked Grebe (Podiceps grisegena) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇦 Ukraine