macreuse à bec jaune vs ours blanc

Melanitta americana compared with Ursus maritimus

Key Differences

• macreuse à bec jaune is Near Threatened while ours blanc is Vulnerable.

Taxonomic Classification

Rank	macreuse à bec jaune	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Anseriformes (Anseriformes)	Carnivora (carnivores)
Family	Anatidae	Ursidae (Bears)
Genus	Melanitta	Ursus (Bears)
Species	Melanitta americana	Ursus maritimus

Evolutionary Relationship

macreuse à bec jaune and ours blanc share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

macreuse à bec jaune

NT — Near Threatened

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	macreuse à bec jaune	ours blanc
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

macreuse à bec jaune

Habitat

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

Range

Distributed across Colombia, Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

macreuse à bec jaune

The Black Scoter (Melanitta americana) is a species in the genus Melanitta. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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