Goéland à queue noire vs ours blanc

Larus crassirostris compared with Ursus maritimus

Key Differences

• Goéland à queue noire is Least Concern while ours blanc is Vulnerable.

Taxonomic Classification

Rank	Goéland à queue noire	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Charadriiformes (Charadriiformes)	Carnivora (carnivores)
Family	Laridae	Ursidae (Bears)
Genus	Larus	Ursus (Bears)
Species	Larus crassirostris	Ursus maritimus

Evolutionary Relationship

Goéland à queue noire and ours blanc share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Goéland à queue noire

LC — Least Concern

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Goéland à queue noire	ours blanc
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Goéland à queue noire

Habitat

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

Range

Distributed across Norway, Taiwan, and United States.

ours blanc

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.

Goéland à queue noire

The Black-tailed Gull (Larus crassirostris) is a species in the genus Larus. It is currently classified as Least Concern on the IUCN Red List. Distributed across Norway, Taiwan, and United States.

ours blanc

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