虎鯨 vs 美洲潛鴨

Orcinus orca compared with Aythya americana

Key Differences

• 虎鯨 is Data Deficient while 美洲潛鴨 is Not Evaluated.

Taxonomic Classification

Rank	虎鯨	美洲潛鴨
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 americana

Evolutionary Relationship

虎鯨 and 美洲潛鴨 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 ?

美洲潛鴨

NE — Not Evaluated

Physical Characteristics

Attribute	虎鯨	美洲潛鴨
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).

美洲潛鴨

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

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。

美洲潛鴨

赤头潜鸭（Aythya americana）在IUCN红色名录中被列为未评估（NE）。尚未依据IUCN红色名录标准进行评估，保育状况有待确定。

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden