Arum-Leaf Arrowhead vs Buckelwal

Sagittaria cuneata compared with Megaptera novaeangliae

Key Differences

Arum-Leaf Arrowhead is Least Concern while Buckelwal is Vulnerable.

Taxonomic Classification

Rank	Arum-Leaf Arrowhead	Buckelwal
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Liliopsida (単子葉植物綱)	Mammalia (哺乳類)
Order	Alismatales (オモダカ目)	Cetacea (Whales & Dolphins)
Family	Alismataceae	Balaenopteridae (Rorquals)
Genus	Sagittaria	Megaptera (Humpback Whales)
Species	Sagittaria cuneata	Megaptera novaeangliae

Conservation Status

Arum-Leaf Arrowhead

LC — Least Concern

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Arum-Leaf Arrowhead	Buckelwal
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

Arum-Leaf Arrowhead

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada, Norway, and United States.

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.

Arum-Leaf Arrowhead

Arum-leaf arrowhead (Sagittaria cuneata) is a species in the genus Sagittaria. It is listed as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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。