Big-eared opossum vs Commerson s Dolphin

Didelphis aurita compared with Cephalorhynchus commersonii

Taxonomic Classification

Rank	Big-eared opossum	Commerson s Dolphin
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Didelphimorphia (주머니쥐)	Cetacea (Whales & Dolphins)
Family	Didelphidae	Delphinidae (Oceanic Dolphins)
Genus	Didelphis	Cephalorhynchus
Species	Didelphis aurita	Cephalorhynchus commersonii

Evolutionary Relationship

Big-eared opossum and Commerson s Dolphin share a common ancestor at the Class level: Mammalia. (포유류)

Conservation Status

Big-eared opossum

LC — Least Concern

Commerson s Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Big-eared opossum	Commerson s Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Commerson s Dolphin

<em>Cephalorhynchus commersonii</em>, commonly known as Commerson's Dolphin, is a small cetacean in the family Delphinidae. This species is classified as Least Concern on the IUCN Red List and is notable for its striking black-and-white coloration, which makes it one of the most visually distinctive dolphin species. Commerson's Dolphins typically inhabit coastal and nearshore marine environments of the Southern Hemisphere, particularly around the Falkland Islands, the southern tip of South America, and a geographically isolated population near the Kerguelen Islands in the Indian Ocean. These dolphins are highly social animals, often observed in small groups engaging in acrobatic behaviors near the surface. They typically feed on fish, squid, and crustaceans, often hunting cooperatively in shallow waters and kelp beds. Their average lifespan is approximately 18 years, and they are known for their fast, energetic swimming. Commerson's Dolphins are sometimes caught as bycatch in fishing nets, posing a localized conservation concern despite their overall Least Concern status.