Irrawaddy dolphin vs Sanderling

Orcaella brevirostris compared with Calidris alba

Key Differences

• Irrawaddy dolphin is Endangered while Sanderling is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Sanderling
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	Orcaella	Calidris
Species	Orcaella brevirostris	Calidris alba

Evolutionary Relationship

Irrawaddy dolphin and Sanderling share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Sanderling

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Sanderling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sanderling

Habitat

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

Range

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

Sanderling

Sanderling (Calidris alba) 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.