blue whale vs chestnut cockchafer

Balaenoptera musculus compared with Melolontha hippocastani

Key Differences

• blue whale is Vulnerable while chestnut cockchafer is Least Concern.

Taxonomic Classification

Rank	blue whale	chestnut cockchafer
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum	Chordata (động vật có dây sống)	Arthropoda (động vật Chân khớp)
Class	Mammalia (lớp Thú)	Insecta (côn trùng)
Order	Cetacea (Whales & Dolphins)	Coleoptera (Bọ cánh cứng)
Family	Balaenopteridae (Rorquals)	Scarabaeidae
Genus	Balaenoptera (Rorquals)	Melolontha
Species	Balaenoptera musculus	Melolontha hippocastani

Evolutionary Relationship

blue whale and chestnut cockchafer share a common ancestor at the Kingdom level: Animalia. (động vật)

Conservation Status

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

chestnut cockchafer

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

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.

chestnut cockchafer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

chestnut cockchafer

The chestnut cockchafer (Melolontha hippocastani) is a species in the genus Melolontha. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden