シロハラトウゾクカモメ vs クロトウゾクカモメ

Stercorarius longicaudus compared with Stercorarius parasiticus

Key Differences

• シロハラトウゾクカモメ is Least Concern while クロトウゾクカモメ is Near Threatened.

Taxonomic Classification

Rank	シロハラトウゾクカモメ	クロトウゾクカモメ
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	Stercorariidae	Stercorariidae
Genus same	Stercorarius	Stercorarius
Species	Stercorarius longicaudus	Stercorarius parasiticus

Evolutionary Relationship

シロハラトウゾクカモメ and クロトウゾクカモメ share a common ancestor at the Genus level: Stercorarius.

Conservation Status

シロハラトウゾクカモメ

LC — Least Concern

クロトウゾクカモメ

NT — Near Threatened

Physical Characteristics

Attribute	シロハラトウゾクカモメ	クロトウゾクカモメ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

シロハラトウゾクカモメ

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).

クロトウゾクカモメ

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

シロハラトウゾクカモメ

シロハラトウゾクカモメ(Stercorarius longicaudus)はIUCNレッドリストで軽度懸念(LC)に分類されている。分布域全体にわたって広く生息し個体数は安定しており、差し迫った保全上の懸念はない。

クロトウゾクカモメ

クロトウゾクカモメ(Stercorarius parasiticus)はIUCNレッドリストで準絶滅危惧(NT)に分類されています。絶滅危惧の基準に近く、保全措置なしには脆弱になりうる個体群を持ちます。

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States 🇻🇪 Venezuela