vs blue whale

Bactrospora dryina compared with Balaenoptera musculus

Key Differences

is Critically Endangered while blue whale is Vulnerable.

Taxonomic Classification

Rank		blue whale
Kingdom	Fungi (菌界)	Animalia (動物)
Phylum	Ascomycota (子嚢菌門)	Chordata (脊索動物)
Class	Arthoniomycetes (ホシゴケ菌綱)	Mammalia (哺乳類)
Order	Arthoniales (Arthoniales)	Cetacea (Whales & Dolphins)
Family	Roccellaceae	Balaenopteridae (Rorquals)
Genus	Bactrospora	Balaenoptera (Rorquals)
Species	Bactrospora dryina	Balaenoptera musculus

Conservation Status

CR — Critically Endangered

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute		blue whale
Diet	—	Carnivore
Average Lifespan	—	90 years
Average Length	—	30.0 m
Average Weight	—	150.0 t

Habitat & Geographic Range

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

バクトロスポラ・ドリイナ（Bactrospora dryina）はヨーロッパの原生的な大西洋型オーク林の古木の滑らかな樹皮上にのみ生育する極めて希少な痂状地衣類で、細長い裂缝状の子嚢盤が特徴的である。IUCNレッドリストでは絶滅寸前（CR）に分類されており、ヨーロッパで最も脅威にさらされた地衣類の一種として知られる。数少ない老齢オーク林残存地のみに生育し、微気候変化・大気質悪化に著しく敏感な生態的指標種である。

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。