Big Finner vs เป็ดโปช้าดหลังขาว

Balaenoptera physalus compared with Aythya ferina

Key Differences

• Big Finner is Endangered while เป็ดโปช้าดหลังขาว is Near Threatened.

Taxonomic Classification

Rank	Big Finner	เป็ดโปช้าดหลังขาว
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)	Aythya
Species	Balaenoptera physalus	Aythya ferina

Evolutionary Relationship

Big Finner and เป็ดโปช้าดหลังขาว share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Big Finner

EN — Endangered

เป็ดโปช้าดหลังขาว

NT — Near Threatened

Physical Characteristics

Attribute	Big Finner	เป็ดโปช้าดหลังขาว
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

เป็ดโปช้าดหลังขาว

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (8 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

เป็ดโปช้าดหลังขาว

Common Pochard (Aythya ferina) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan