baiji vs North American porcupine

Lipotes vexillifer compared with Erethizon dorsatus

Key Differences

• baiji is Critically Endangered while North American porcupine is Least Concern.

Taxonomic Classification

Rank	baiji	North American porcupine
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Cetacea (Whales & Dolphins)	Rodentia (啮齿目)
Family	Lipotidae	Erethizontidae
Genus	Lipotes	Erethizon
Species	Lipotes vexillifer	Erethizon dorsatus

Evolutionary Relationship

baiji and North American porcupine share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

baiji

CR — Critically Endangered

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	baiji	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

baiji

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

North American porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

baiji

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.