vs Polar bear

Dictyota dichotoma compared with Ursus maritimus

Taxonomic Classification

Rank		Polar bear
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (cordados)
Class	Phaeophyceae (Phaeophyceae)	Mammalia (mamíferos)
Order	Dictyotales (Dictyotales)	Carnivora (carnívoros)
Family	Dictyotaceae	Ursidae (Bears)
Genus	Dictyota	Ursus (Bears)
Species	Dictyota dichotoma	Ursus maritimus

Conservation Status

VU — Vulnerable

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate grasslands and steppes, and flooded grasslands and savannas, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Argentina, Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Dictyota dichotoma é uma alga parda comum com frondes planas, repetidamente bifurcadas e de cor verde-oliva a marrom-dourado, formando talos em forma de leque. Habita costas rochosas intermareais e submareais rasas de mares temperados a tropicais em todo o mundo. Esta macroalga fotossintética ancora-se à rocha por meio de um rizoide e pode se reproduzir tanto sexuada quanto assexuadamente.

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.