美洲瓣蹼雞 vs 虎鯨

Fulica americana compared with Orcinus orca

Key Differences

• 美洲瓣蹼雞 is Least Concern while 虎鯨 is Data Deficient.

Taxonomic Classification

Rank	美洲瓣蹼雞	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	Gruiformes (鹤形目)	Cetacea (Whales & Dolphins)
Family	Rallidae	Delphinidae (Oceanic Dolphins)
Genus	Fulica	Orcinus (Orcas)
Species	Fulica americana	Orcinus orca

Evolutionary Relationship

美洲瓣蹼雞 and 虎鯨 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

美洲瓣蹼雞

LC — Least Concern

虎鯨

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	美洲瓣蹼雞	虎鯨
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

美洲瓣蹼雞

Habitat

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

Range

Widely distributed across Europe (Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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).

美洲瓣蹼雞

美洲骨顶（Fulica americana）在IUCN红色名录中被评估为无危（LC），是北美洲最常见的水鸟之一，广泛分布于各类淡水湖泊、池塘和沼泽中。该物种以全身黑色的羽毛和醒目的白色喙及额甲为识别特征，善于游泳和潜水，但并不属于真正的鸭类，而属于秧鸡科。骨顶在城市公园的水体中与人类共存，适应能力极强。

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 5 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden 🇻🇪 Venezuela