Azure Bluet vs blue whale

Coenagrion puella compared with Balaenoptera musculus

Key Differences

  • Azure Bluet is Least Concern while blue whale is Vulnerable.

Taxonomic Classification

Rank Azure Bluet blue whale
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 Balaenoptera (Rorquals)
Species Coenagrion puella Balaenoptera musculus

Evolutionary Relationship

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

Conservation Status

Azure Bluet

LC — Least Concern

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute Azure Bluet blue whale
Diet Carnivore
Average Lifespan 90 years
Average Length 30.0 m
Average Weight 150.0 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.

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.

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。

blue whale

地球上で生きたことが知られている最大の動物であるシロナガスクジラ(Balaenoptera musculus)は、体長33メートル、体重200トンに達することができ、心臓だけで小型自動車ほどの重さがあります。全ての海洋に生息し、極地の餌場と熱帯の繁殖地の間を回遊します。1日最大4トンのオキアミを摂取する濾過摂食者です。20世紀の捕鯨による絶滅危機からの回復後、世界的な個体数は10,000〜25,000頭と推定される絶滅危惧種です。

Shared Countries

Both species can be found in 3 countries:

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