Allegheny Mountain Dusky Salamander vs Polar bear

Desmognathus ochrophaeus compared with Ursus maritimus

Key Differences

• Allegheny Mountain Dusky Salamander is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Allegheny Mountain Dusky Salamander	Polar bear
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Amphibia (สัตว์สะเทินน้ำสะเทินบก)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Caudata (ซาลาแมนเดอร์)	Carnivora (สัตว์กินเนื้อ)
Family	Plethodontidae	Ursidae (Bears)
Genus	Desmognathus	Ursus (Bears)
Species	Desmognathus ochrophaeus	Ursus maritimus

Evolutionary Relationship

Allegheny Mountain Dusky Salamander and Polar bear share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Allegheny Mountain Dusky Salamander

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Allegheny Mountain Dusky Salamander

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in United States.

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.

Allegheny Mountain Dusky Salamander

The Allegheny Mountain Dusky Salamander (Desmognathus ochrophaeus) is a species in the genus Desmognathus. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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.