Black-billed Gull vs Brook-Side Alder

Chroicocephalus bulleri compared with Alnus serrulata

Key Differences

• Black-billed Gull is Not Evaluated while Brook-Side Alder is Least Concern.

Taxonomic Classification

Rank	Black-billed Gull	Brook-Side Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Charadriiformes (Charadriiformes)	Fagales (Beeches & Oaks)
Family	Laridae	Betulaceae
Genus	Chroicocephalus	Alnus
Species	Chroicocephalus bulleri	Alnus serrulata

Conservation Status

Black-billed Gull

NE — Not Evaluated

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	Black-billed Gull	Brook-Side Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-billed Gull

Habitat

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

Range

Found in Norway.

Brook-Side Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and United States.

Black-billed Gull

The Black-billed Gull (Chroicocephalus bulleri) is a species in the genus Chroicocephalus. Typically found in various aerial, terrestrial, and aquatic environments.

Brook-Side Alder

The Brook-Side Alder (Alnus serrulata) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.