hedgehog vs Irrawaddy dolphin

Erinaceus europaeus compared with Orcaella brevirostris

Key Differences

• hedgehog is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	hedgehog	Irrawaddy dolphin
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Erinaceomorpha (Erinaceomorpha)	Cetacea (Whales & Dolphins)
Family	Erinaceidae	Delphinidae (Oceanic Dolphins)
Genus	Erinaceus	Orcaella
Species	Erinaceus europaeus	Orcaella brevirostris

Evolutionary Relationship

hedgehog and Irrawaddy dolphin share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

hedgehog

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	hedgehog	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and Oceania and the Pacific (New Zealand).

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

hedgehog

hedgehog (Erinaceus europaeus) 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.