Black-tailed Gull vs Olrog's Gull

Larus crassirostris compared with Larus atlanticus

Key Differences

• Black-tailed Gull is Least Concern while Olrog's Gull is Near Threatened.

Taxonomic Classification

Rank	Black-tailed Gull	Olrog's Gull
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Aves (kuş)	Aves (kuş)
Order same	Charadriiformes (Yağmur kuşları)	Charadriiformes (Yağmur kuşları)
Family same	Laridae	Laridae
Genus same	Larus	Larus
Species	Larus crassirostris	Larus atlanticus

Evolutionary Relationship

Black-tailed Gull and Olrog's Gull share a common ancestor at the Genus level: Larus.

Conservation Status

Black-tailed Gull

LC — Least Concern

Olrog's Gull

NT — Near Threatened

Physical Characteristics

Attribute	Black-tailed Gull	Olrog's Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-tailed Gull

Habitat

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

Range

Distributed across Norway, Taiwan, and United States.

Olrog's Gull

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.

Black-tailed Gull

The Black-tailed Gull (Larus crassirostris) is a species in the genus Larus. It is currently classified as Least Concern on the IUCN Red List. Distributed across Norway, Taiwan, and United States.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway