arran brown vs 藍鯨

Erebia ligea compared with Balaenoptera musculus

Key Differences

• arran brown is Least Concern while 藍鯨 is Vulnerable.

Taxonomic Classification

Rank	arran brown	藍鯨
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Mammalia (哺乳動物)
Order	Lepidoptera (鱗翅目)	Cetacea (Whales & Dolphins)
Family	Nymphalidae (Brush-footed Butterflies)	Balaenopteridae (Rorquals)
Genus	Erebia	Balaenoptera (Rorquals)
Species	Erebia ligea	Balaenoptera musculus

Evolutionary Relationship

arran brown and 藍鯨 share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

arran brown

LC — Least Concern

藍鯨

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	arran brown	藍鯨
Diet	—	Carnivore
Average Lifespan	—	90 years
Average Length	—	30.0 m
Average Weight	—	150.0 t

Habitat & Geographic Range

arran brown

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (33 countries).

藍鯨

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.

arran brown

阿兰棕蝶（Erebia ligea）是一种中型蝴蝶，翅膀呈深棕色，翅缘具橙色条纹，主要分布于欧洲和亚洲北部。该物种的保护状态为无危（LC），栖息于高山草地和林间空地等生境。

藍鯨

蓝鲸是地球上已知存在过的最大动物，体长可达33米，体重达200吨，其心脏单独就重达一辆小型轿车的重量。分布于各大洋，在极地觅食地和热带繁殖地之间进行迁徙。它们是滤食性动物，每日可消耗多达4吨磷虾。蓝鲸被列为濒危物种，20世纪捕鲸活动使其濒临灭绝，目前全球种群估计约为1万至2.5万头。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden