blue whale vs Braun'S Holly Fern

Balaenoptera musculus compared with Polystichum braunii

Key Differences

• blue whale is Vulnerable while Braun'S Holly Fern is Critically Endangered.

Taxonomic Classification

Rank	blue whale	Braun'S Holly Fern
Kingdom	Animalia (hayvan)	Plantae (bitki)
Phylum	Chordata (Kordalılar)	Tracheophyta
Class	Mammalia (memeliler)	Polypodiopsida (Polypodiopsida)
Order	Cetacea (Whales & Dolphins)	Polypodiales (Polypodiales)
Family	Balaenopteridae (Rorquals)	Dryopteridaceae
Genus	Balaenoptera (Rorquals)	Polystichum
Species	Balaenoptera musculus	Polystichum braunii

Conservation Status

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Braun'S Holly Fern

CR — Critically Endangered

Physical Characteristics

Attribute	blue whale	Braun'S Holly Fern
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.

Braun'S Holly Fern

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous 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 (4 countries) and North America (Canada, United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Braun'S Holly Fern

The Braun'S Holly Fern (Polystichum braunii) is a species in the genus Polystichum. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden