Eastern Willow Spreadwing vs Polar bear

Chalcolestes parvidens compared with Ursus maritimus

Key Differences

• Eastern Willow Spreadwing is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Eastern Willow Spreadwing	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópode)	Chordata (cordados)
Class	Insecta (inseto)	Mammalia (mamíferos)
Order	Odonata (Odonata)	Carnivora (carnívoros)
Family	Lestidae	Ursidae (Bears)
Genus	Chalcolestes	Ursus (Bears)
Species	Chalcolestes parvidens	Ursus maritimus

Evolutionary Relationship

Eastern Willow Spreadwing and Polar bear share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eastern Willow Spreadwing

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Eastern Willow Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.

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.