Asian oak fern vs Buckelwal

Gymnocarpium continentale compared with Megaptera novaeangliae

Key Differences

Asian oak fern is Near Threatened while Buckelwal is Vulnerable.

Taxonomic Classification

Rank	Asian oak fern	Buckelwal
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Tracheophyta	Chordata (脊索動物)
Class	Polypodiopsida (ウラボシ綱)	Mammalia (哺乳類)
Order	Polypodiales (ウラボシ目)	Cetacea (Whales & Dolphins)
Family	Cystopteridaceae	Balaenopteridae (Rorquals)
Genus	Gymnocarpium	Megaptera (Humpback Whales)
Species	Gymnocarpium continentale	Megaptera novaeangliae

Conservation Status

Asian oak fern

NT — Near Threatened

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Asian oak fern	Buckelwal
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

Asian oak fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Canada, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Buckelwal

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.

Asian oak fern

The Asian oak fern (Gymnocarpium continentale) is a species in the genus Gymnocarpium. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Canada, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Buckelwal

大型クジラの中で最も曲芸的なクジラのひとつであるザトウクジラは、繁殖期にオスが歌う複雑で神秘的な歌で知られており、数時間にわたって続き時間をかけて変化していきます。体長16m、体重30トンに達し、哺乳類の中で最長の回遊を行います。全海洋に分布し、協調的なバブルネット採餌でオキアミや小魚を捕食します。歴史的な捕鯨後の個体数はおおむね回復しています。