黑頸鸊鷈 vs 虎鯨

Podiceps nigricollis compared with Orcinus orca

Key Differences

• 黑頸鸊鷈 is Endangered while 虎鯨 is Data Deficient.

Taxonomic Classification

Rank	黑頸鸊鷈	虎鯨
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	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Podicipediformes (䴙䴘目)	Cetacea (Whales & Dolphins)
Family	Podicipedidae	Delphinidae (Oceanic Dolphins)
Genus	Podiceps	Orcinus (Orcas)
Species	Podiceps nigricollis	Orcinus orca

Evolutionary Relationship

黑頸鸊鷈 and 虎鯨 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

黑頸鸊鷈

EN — Endangered

虎鯨

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	黑頸鸊鷈	虎鯨
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

黑頸鸊鷈

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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).

黑頸鸊鷈

Black-Necked Grebe（Podiceps nigricollis）在IUCN红色名录中被列为濒危（EN）物种。在野外面临高度灭绝风险，种群数量显著下降，生存威胁持续存在。

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。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden