baleine à bosse vs Azuré de l'ajonc

Megaptera novaeangliae compared with Plebejus argus

Key Differences

• baleine à bosse is Vulnerable while Azuré de l'ajonc is Endangered.

Taxonomic Classification

Rank	baleine à bosse	Azuré de l'ajonc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Chordata (Chordates)	Arthropoda (arthropodes)
Class	Mammalia (mammifères)	Insecta (insecte)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Balaenopteridae (Rorquals)	Lycaenidae
Genus	Megaptera (Humpback Whales)	Plebejus
Species	Megaptera novaeangliae	Plebejus argus

Evolutionary Relationship

baleine à bosse and Azuré de l'ajonc share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

baleine à bosse

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Azuré de l'ajonc

EN — Endangered

Physical Characteristics

Attribute	baleine à bosse	Azuré de l'ajonc
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.

Azuré de l'ajonc

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Azuré de l'ajonc

Silver-Studded Blue (Plebejus argus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden