Azure Bluet vs Buckelwal

Coenagrion puella compared with Megaptera novaeangliae

Key Differences

Azure Bluet is Least Concern while Buckelwal is Vulnerable.

Taxonomic Classification

Rank	Azure Bluet	Buckelwal
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Mammalia (哺乳類)
Order	Odonata (蜻蛉目)	Cetacea (Whales & Dolphins)
Family	Coenagrionidae	Balaenopteridae (Rorquals)
Genus	Coenagrion	Megaptera (Humpback Whales)
Species	Coenagrion puella	Megaptera novaeangliae

Evolutionary Relationship

Azure Bluet and Buckelwal share a common ancestor at the Kingdom level: Animalia. (動物)

表示 Kingdom: Animalia

Conservation Status

Azure Bluet

LC — Least Concern

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Azure Bluet	Buckelwal
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

Azure Bluet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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.

Azure Bluet

アジュールブルーイット（Coenagrion puella）はヨーロッパの止水・緩流水域に広く分布する小型のイトトンボ科のトンボで、雄の鮮やかな青と黒の模様が美しい。IUCNレッドリストでは軽度懸念（LC）に分類されており、池沼・運河・緩やかな小川の水草周りで交尾・産卵する。幼虫は水中で生育し、成虫は水辺の草地・葦原で昆虫を捕食する、淡水湿地生態系の重要な構成要素である。

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。