Dusky Dolphin vs Ruff

Lagenorhynchus obscurus compared with Calidris pugnax

Taxonomic Classification

Rank	Dusky Dolphin	Ruff
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)	Scolopacidae
Genus	Lagenorhynchus	Calidris
Species	Lagenorhynchus obscurus	Calidris pugnax

Evolutionary Relationship

Dusky Dolphin and Ruff share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Dusky Dolphin

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Dusky Dolphin	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky 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

流苏鹬（Calidris pugnax）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布且数量丰富，种群稳定，无迫切保护忧虑。