Chestnut-eared Aracari vs Polar bear

Pteroglossus castanotis compared with Ursus maritimus

Key Differences

• Chestnut-eared Aracari is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Chestnut-eared Aracari	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Piciformes (Piciformes)	Carnivora (Carnivorans)
Family	Ramphastidae	Ursidae (Bears)
Genus	Pteroglossus	Ursus (Bears)
Species	Pteroglossus castanotis	Ursus maritimus

Evolutionary Relationship

Chestnut-eared Aracari and Polar bear share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut-eared Aracari

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chestnut-eared Aracari	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Chestnut-eared Aracari

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, and Norway.

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.

Chestnut-eared Aracari

The Chestnut-eared Aracari (Pteroglossus castanotis) is a species in the genus Pteroglossus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway