黑背信天翁 vs 加岛信天翁

Phoebastria immutabilis compared with Phoebastria irrorata

Key Differences

• 黑背信天翁 is Near Threatened while 加岛信天翁 is Critically Endangered.

Taxonomic Classification

Rank	黑背信天翁	加岛信天翁
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Aves (鳥綱)	Aves (鳥綱)
Order same	Procellariiformes (鹱形目)	Procellariiformes (鹱形目)
Family same	Diomedeidae	Diomedeidae
Genus same	Phoebastria	Phoebastria
Species	Phoebastria immutabilis	Phoebastria irrorata

Evolutionary Relationship

黑背信天翁 and 加岛信天翁 share a common ancestor at the Genus level: Phoebastria.

Conservation Status

黑背信天翁

NT — Near Threatened

加岛信天翁

CR — Critically Endangered

Physical Characteristics

Attribute	黑背信天翁	加岛信天翁
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

黑背信天翁

Habitat

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

Range

Distributed across Norway and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

加岛信天翁

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway