Indian Ocean humpback dolphin vs Red-billed Duck

Sousa plumbea compared with Anas erythrorhyncha

Key Differences

• Indian Ocean humpback dolphin is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	Red-billed Duck
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Aves (chim)
Order	Cetacea (Whales & Dolphins)	Anseriformes (bộ Ngỗng)
Family	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Sousa	Anas
Species	Sousa plumbea	Anas erythrorhyncha

Evolutionary Relationship

Indian Ocean humpback dolphin and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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.