ガラパゴスシロハラミズナギドリ vs オオシロハラミズナギドリ

Pterodroma phaeopygia compared with Pterodroma externa

Key Differences

• ガラパゴスシロハラミズナギドリ is Critically Endangered while オオシロハラミズナギドリ is Vulnerable.

Taxonomic Classification

Rank	ガラパゴスシロハラミズナギドリ	オオシロハラミズナギドリ
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	Procellariiformes (ミズナギドリ目)	Procellariiformes (ミズナギドリ目)
Family same	Procellariidae	Procellariidae
Genus same	Pterodroma	Pterodroma
Species	Pterodroma phaeopygia	Pterodroma externa

Evolutionary Relationship

ガラパゴスシロハラミズナギドリ and オオシロハラミズナギドリ share a common ancestor at the Genus level: Pterodroma.

Conservation Status

ガラパゴスシロハラミズナギドリ

CR — Critically Endangered

オオシロハラミズナギドリ

VU — Vulnerable

Physical Characteristics

Attribute	ガラパゴスシロハラミズナギドリ	オオシロハラミズナギドリ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ガラパゴスシロハラミズナギドリ

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

オオシロハラミズナギドリ

Habitat

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

Range

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

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇳🇴 Norway