Haviside s Dolphin vs Ruff

Cephalorhynchus heavisidii compared with Calidris pugnax

Key Differences

• Haviside s Dolphin is Near Threatened while Ruff is Least Concern.

Taxonomic Classification

Rank	Haviside s Dolphin	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Delphinidae (Oceanic Dolphins)	Scolopacidae
Genus	Cephalorhynchus	Calidris
Species	Cephalorhynchus heavisidii	Calidris pugnax

Evolutionary Relationship

Haviside s Dolphin and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Haviside s Dolphin

NT — Near Threatened

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Haviside s Dolphin	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

Habitat

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

Range

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

Ruff

Ruff (Calidris pugnax) 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.