Hooded seal vs Niceforo Maria’s Oldfield Mouse

Cystophora cristata compared with Thomasomys nicefori

Key Differences

• Hooded seal is Endangered while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Hooded seal	Niceforo Maria’s Oldfield Mouse
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Pinnipedia (Seals & Sea Lions)	Rodentia (설치류)
Family	Phocidae (True Seals)	Cricetidae
Genus	Cystophora	Thomasomys
Species	Cystophora cristata	Thomasomys nicefori

Evolutionary Relationship

Hooded seal and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Class level: Mammalia. (포유류)

Conservation Status

Hooded seal

EN — Endangered

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Hooded seal	Niceforo Maria’s Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.