Polar bear vs Short-headed Lamprey

Ursus maritimus compared with Mordacia mordax

Key Differences

• Polar bear is Vulnerable while Short-headed Lamprey is Least Concern.

Taxonomic Classification

Rank	Polar bear	Short-headed Lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Petromyzonti (Petromyzonti)
Order	Carnivora (carnívoros)	Petromyzontiformes (Lampreia)
Family	Ursidae (Bears)	Mordaciidae
Genus	Ursus (Bears)	Mordacia
Species	Ursus maritimus	Mordacia mordax

Evolutionary Relationship

Polar bear and Short-headed Lamprey share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Short-headed Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	Short-headed Lamprey
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.

Short-headed Lamprey

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.