blue whale vs ミユビシギ

Balaenoptera musculus compared with Calidris alba

Key Differences

  • blue whale is Vulnerable while ミユビシギ is Least Concern.

Taxonomic Classification

Rank blue whale ミユビシギ
Kingdom same Animalia (動物) Animalia (動物)
Phylum same Chordata (脊索動物) Chordata (脊索動物)
Class Mammalia (哺乳類) Aves (鳥類)
Order Cetacea (Whales & Dolphins) Charadriiformes (チドリ目)
Family Balaenopteridae (Rorquals) Scolopacidae
Genus Balaenoptera (Rorquals) Calidris
Species Balaenoptera musculus Calidris alba

Evolutionary Relationship

blue whale and ミユビシギ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

ミユビシギ

LC — Least Concern

Physical Characteristics

Attribute blue whale ミユビシギ
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.

ミユビシギ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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。

ミユビシギ

ミユビシギ(Calidris alba)はIUCNレッドリストで軽度懸念(LC)に分類される。分布域全体に広く生息し個体数も豊富で、個体群は安定しており、直接的な保全上の懸念はない。

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