Американская змеешейка vs blue whale

Anhinga anhinga compared with Balaenoptera musculus

Key Differences

• Американская змеешейка is Least Concern while blue whale is Vulnerable.

Taxonomic Classification

Rank	Американская змеешейка	blue whale
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Aves (птицы)	Mammalia (млекопитающие)
Order	Suliformes (олушеобразные)	Cetacea (Whales & Dolphins)
Family	Anhingidae	Balaenopteridae (Rorquals)
Genus	Anhinga	Balaenoptera (Rorquals)
Species	Anhinga anhinga	Balaenoptera musculus

Evolutionary Relationship

Американская змеешейка and blue whale share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Американская змеешейка

LC — Least Concern

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Американская змеешейка	blue whale
Diet	—	Carnivore
Average Lifespan	—	90 years
Average Length	—	30.0 m
Average Weight	—	150.0 t

Habitat & Geographic Range

Американская змеешейка

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

blue whale

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). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Американская змеешейка

Anhinga (Anhinga anhinga) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

blue whale

The largest animal ever known to have lived on Earth, blue whales can reach 33 meters and 200 tonnes — their hearts alone weigh as much as a small car. Found in all oceans, they migrate between polar feeding grounds and tropical breeding areas. Filter feeders consuming up to 4 tonnes of krill daily. Endangered, with global populations estimated at 10,000–25,000 after near-extinction from 20th-century whaling.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway