Brown Booby vs Harmless Serotine

Sula leucogaster compared with Eptesicus innoxius

Key Differences

• Brown Booby is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Brown Booby	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Suliformes (Suliformes)	Chiroptera (Bats)
Family	Sulidae	Vespertilionidae
Genus	Sula	Eptesicus
Species	Sula leucogaster	Eptesicus innoxius

Evolutionary Relationship

Brown Booby and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Booby

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Brown Booby	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Booby

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

Brown Booby

Brown Booby (Sula leucogaster) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador