Polar bear vs white-letter hairstreak

Ursus maritimus compared with Satyrium w-album

Taxonomic Classification

Rank	Polar bear	white-letter hairstreak
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (cordados)	Arthropoda (artrópode)
Class	Mammalia (mamíferos)	Insecta (inseto)
Order	Carnivora (carnívoros)	Lepidoptera (Butterflies & Moths)
Family	Ursidae (Bears)	Lycaenidae
Genus	Ursus (Bears)	Satyrium
Species	Ursus maritimus	Satyrium w-album

Evolutionary Relationship

Polar bear and white-letter hairstreak share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

white-letter hairstreak

VU — Vulnerable

Physical Characteristics

Attribute	Polar bear	white-letter hairstreak
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

white-letter hairstreak

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Europe (37 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.

white-letter hairstreak

A borboleta W-branco (Satyrium w-album) está classificada como Vulnerável (VU) na Lista Vermelha da IUCN. Enfrenta alto risco de ameaça em estado selvagem, com populações em declínio e crescente pressão sobre seu habitat.