American black bear vs Challenger skate

Ursus americanus compared with Rajella challengeri

Taxonomic Classification

Rank	American black bear	Challenger skate
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Elasmobranchii
Order	Carnivora (식육목)	Rajiformes (홍어목)
Family	Ursidae (Bears)	Rajidae
Genus	Ursus (Bears)	Rajella
Species	Ursus americanus	Rajella challengeri

Evolutionary Relationship

American black bear and Challenger skate share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

American black bear

LC — Least Concern

Challenger skate

LC — Least Concern

Physical Characteristics

Attribute	American black bear	Challenger skate
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American black bear

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Challenger skate

American black bear

The American black bear (Ursus americanus) is a species in the genus Ursus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Challenger skate

The Challenger skate (Rajella challengeri) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List.