Bagwhale vs Red-billed Duck

Balaenoptera acutorostrata compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Bagwhale	Red-billed Duck
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Cetacea (Whales & Dolphins)	Anseriformes (อันดับห่าน)
Family	Balaenopteridae (Rorquals)	Anatidae
Genus	Balaenoptera (Rorquals)	Anas
Species	Balaenoptera acutorostrata	Anas erythrorhyncha

Evolutionary Relationship

Bagwhale and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Bagwhale

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Bagwhale	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bagwhale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador).

Red-billed Duck

Habitat

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

Range

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

Bagwhale

Bagwhale (Balaenoptera acutorostrata) 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.

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇪🇨 Ecuador 🇳🇴 Norway