Spinner Dolphin vs Yellow-billed Pintail

Stenella longirostris compared with Anas georgica

Key Differences

• Spinner Dolphin is Data Deficient while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	Spinner Dolphin	Yellow-billed Pintail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Anseriformes (Anseriformes)
Family	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Stenella	Anas
Species	Stenella longirostris	Anas georgica

Evolutionary Relationship

Spinner Dolphin and Yellow-billed Pintail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Spinner Dolphin

DD — Data Deficient

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	Spinner Dolphin	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Spinner Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Norway, Taiwan, and Venezuela.

Yellow-billed Pintail

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Pintail

Yellow-billed Pintail (Anas georgica) 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.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway