Black-eared Cuckoo vs Polar bear

Chrysococcyx osculans compared with Ursus maritimus

Key Differences

• Black-eared Cuckoo is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Black-eared Cuckoo	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Cuculiformes (Cuculiformes)	Carnivora (Carnivorans)
Family	Cuculidae	Ursidae (Bears)
Genus	Chrysococcyx	Ursus (Bears)
Species	Chrysococcyx osculans	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Black-eared Cuckoo

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Black-eared Cuckoo

Habitat

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

Range

Found in 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.

Black-eared Cuckoo

The Black-eared Cuckoo (Chrysococcyx osculans) is a species in the genus Chrysococcyx. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway.

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