Brown Booby vs Hooded seal

Sula leucogaster compared with Cystophora cristata

Key Differences

• Brown Booby is Least Concern while Hooded seal is Endangered.

Taxonomic Classification

Rank	Brown Booby	Hooded seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Suliformes (Suliformes)	Pinnipedia (Seals & Sea Lions)
Family	Sulidae	Phocidae (True Seals)
Genus	Sula	Cystophora
Species	Sula leucogaster	Cystophora cristata

Evolutionary Relationship

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

Conservation Status

Brown Booby

LC — Least Concern

Hooded seal

EN — Endangered

Physical Characteristics

Attribute	Brown Booby	Hooded seal
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).

Hooded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, and Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 2 countries:

🇩🇰 Denmark 🇳🇴 Norway