Black-backed Thornbill vs Polar bear

Ramphomicron dorsale compared with Ursus maritimus

Key Differences

• Black-backed Thornbill is Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Black-backed Thornbill	Polar bear
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Aves (chim)	Mammalia (lớp Thú)
Order	Apodiformes (Bộ Yến)	Carnivora (bộ Ăn thịt)
Family	Trochilidae	Ursidae (Bears)
Genus	Ramphomicron	Ursus (Bears)
Species	Ramphomicron dorsale	Ursus maritimus

Evolutionary Relationship

Black-backed Thornbill and Polar bear share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Black-backed Thornbill

EN — Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Black-backed Thornbill

Habitat

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

Range

Distributed across Colombia and Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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-backed Thornbill

The Black-backed Thornbill (Ramphomicron dorsale) is a species in the genus Ramphomicron. It is currently classified as Endangered 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