オグロカモメ vs クロワカモメ

Larus heermanni compared with Larus delawarensis

Key Differences

• オグロカモメ is Near Threatened while クロワカモメ is Least Concern.

Taxonomic Classification

Rank	オグロカモメ	クロワカモメ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order same	Charadriiformes (チドリ目)	Charadriiformes (チドリ目)
Family same	Laridae	Laridae
Genus same	Larus	Larus
Species	Larus heermanni	Larus delawarensis

Evolutionary Relationship

オグロカモメ and クロワカモメ share a common ancestor at the Genus level: Larus.

Conservation Status

オグロカモメ

NT — Near Threatened

クロワカモメ

LC — Least Concern

Physical Characteristics

Attribute	オグロカモメ	クロワカモメ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

オグロカモメ

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

クロワカモメ

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

クロワカモメ

Ring-billed Gull（Larus delawarensis）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway