Brown Booby vs Gray-headed Flying Fox

Sula leucogaster compared with Pteropus poliocephalus

Key Differences

• Brown Booby is Least Concern while Gray-headed Flying Fox is Vulnerable.

Taxonomic Classification

Rank	Brown Booby	Gray-headed Flying Fox
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Suliformes (Suliformes)	Chiroptera (Bats)
Family	Sulidae	Pteropodidae (Fruit Bats)
Genus	Sula	Pteropus (Flying Foxes)
Species	Sula leucogaster	Pteropus poliocephalus

Evolutionary Relationship

Brown Booby and Gray-headed Flying Fox share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Booby

LC — Least Concern

Gray-headed Flying Fox

VU — Vulnerable

Physical Characteristics

Attribute	Brown Booby	Gray-headed Flying Fox
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).

Gray-headed Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.