Cambridge Vagrant vs Polar bear

Nepheronia thalassina compared with Ursus maritimus

Key Differences

• Cambridge Vagrant is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Cambridge Vagrant	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Carnivora (Carnivorans)
Family	Pieridae	Ursidae (Bears)
Genus	Nepheronia	Ursus (Bears)
Species	Nepheronia thalassina	Ursus maritimus

Evolutionary Relationship

Cambridge Vagrant and Polar bear share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cambridge Vagrant

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Cambridge Vagrant

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.

Cambridge Vagrant

The Cambridge Vagrant (Nepheronia thalassina) is a species in the genus Nepheronia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.