قرش نوّام زَرَدِيّ vs Polar bear

Heterodontus zebra compared with Ursus maritimus

Key Differences

قرش نوّام زَرَدِيّ is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	قرش نوّام زَرَدِيّ	Polar bear
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Elasmobranchii	Mammalia (ثدييات)
Order	Heterodontiformes (Heterodontiformes)	Carnivora (لواحم)
Family	Heterodontidae	Ursidae (Bears)
Genus	Heterodontus	Ursus (Bears)
Species	Heterodontus zebra	Ursus maritimus

Evolutionary Relationship

قرش نوّام زَرَدِيّ and Polar bear share a common ancestor at the Phylum level: Chordata. (حبليات)

استعراض Phylum: Chordata

Conservation Status

قرش نوّام زَرَدِيّ

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

قرش نوّام زَرَدِيّ

Habitat

Native to Asia and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Bahamas and Taiwan.

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.

قرش نوّام زَرَدِيّ

The Barred bull-head shark (Heterodontus zebra) is a species in the genus Heterodontus. It is currently classified as Least Concern on the IUCN Red List. Native to Asia and North America, inhabiting ecosystems characteristic of the region.

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.