baleine à bosse vs geai des chênes

Megaptera novaeangliae compared with Garrulus glandarius

Key Differences

• baleine à bosse is Vulnerable while geai des chênes is Least Concern.

Taxonomic Classification

Rank	baleine à bosse	geai des chênes
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Aves (oiseau)
Order	Cetacea (Whales & Dolphins)	Passeriformes (passereaux)
Family	Balaenopteridae (Rorquals)	Corvidae (Crows & Ravens)
Genus	Megaptera (Humpback Whales)	Garrulus
Species	Megaptera novaeangliae	Garrulus glandarius

Evolutionary Relationship

baleine à bosse and geai des chênes share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

baleine à bosse

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

geai des chênes

LC — Least Concern

Physical Characteristics

Attribute	baleine à bosse	geai des chênes
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	15.0 m	—
Average Weight	30.0 t	—

Habitat & Geographic Range

baleine à bosse

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.

geai des chênes

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden.

baleine à bosse

Among the most acrobatic of the great whales, humpback whales are renowned for their complex, haunting songs sung by males during breeding season — some lasting hours and evolving over time. Reaching 16 meters and 30 tonnes, they undertake the longest migrations of any mammal. Found in all oceans, humpbacks feed on krill and small fish using cooperative bubble-net feeding. Populations have largely recovered from historic whaling.

geai des chênes

Eurasian Jay (Garrulus glandarius) 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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden