Black-billed Gull vs Harmless Serotine

Chroicocephalus bulleri compared with Eptesicus innoxius

Key Differences

• Black-billed Gull is Not Evaluated while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Black-billed Gull	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Chiroptera (Bats)
Family	Laridae	Vespertilionidae
Genus	Chroicocephalus	Eptesicus
Species	Chroicocephalus bulleri	Eptesicus innoxius

Evolutionary Relationship

Black-billed Gull and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-billed Gull

NE — Not Evaluated

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Black-billed Gull	Harmless Serotine
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.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.