虎鯨 vs 斑背潛鴨

Orcinus orca compared with Aythya marila

Key Differences

• 虎鯨 is Data Deficient while 斑背潛鴨 is Vulnerable.

Taxonomic Classification

Rank	虎鯨	斑背潛鴨
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)	Anseriformes (雁形目)
Family	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Orcinus (Orcas)	Aythya
Species	Orcinus orca	Aythya marila

Evolutionary Relationship

虎鯨 and 斑背潛鴨 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

虎鯨

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

斑背潛鴨

VU — Vulnerable

Physical Characteristics

Attribute	虎鯨	斑背潛鴨
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	8.0 m	—
Average Weight	5.4 t	—

Habitat & Geographic Range

虎鯨

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

斑背潛鴨

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

虎鯨

作为海豚科体型最大的成员，虎鲸（Orcinus orca）体长可达9米，体重6吨，分布于从北极到南极的所有海洋。以母系群体生活的顶级捕食者，不同种群具有独特的方言、狩猎策略和文化传统。一些种群专门捕食鱼类，另一些则捕食海洋哺乳动物。没有天敌，虎鲸位于其所栖居的每条海洋食物链的顶端。

斑背潛鴨

斑背潜鸭（Aythya marila）在IUCN红色名录中被列为易危物种（VU）。野外种群数量下降，栖息地压力增加，面临较高的濒危风险。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden