北极燕鸥 vs 大翅鯨

Sterna paradisaea compared with Megaptera novaeangliae

Key Differences

• 北极燕鸥 is Least Concern while 大翅鯨 is Vulnerable.

Taxonomic Classification

Rank	北极燕鸥	大翅鯨
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	Charadriiformes (鸻形目)	Cetacea (Whales & Dolphins)
Family	Laridae	Balaenopteridae (Rorquals)
Genus	Sterna	Megaptera (Humpback Whales)
Species	Sterna paradisaea	Megaptera novaeangliae

Evolutionary Relationship

北极燕鸥 and 大翅鯨 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

北极燕鸥

LC — Least Concern

大翅鯨

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	北极燕鸥	大翅鯨
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

北极燕鸥

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador).

大翅鯨

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

北极燕鸥

北极燕鸥（Sterna paradisaea）在IUCN红色名录中被列为无危（LC）。该物种在其分布范围内广泛分布且数量丰富，种群稳定，目前没有迫切的保护关注。

大翅鯨

座头鲸是大型鲸类中最具杂技表演性的物种之一，以繁殖季节雄性演唱的复杂而神秘的歌声著称，歌声有时持续数小时并随时间演变。体长可达16米，体重30吨，进行着哺乳动物中最长距离的洄游。分布于所有大洋，通过协作泡泡网捕食磷虾和小鱼。种群数量已从历史捕鲸后大体恢复。

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden