Commerson s Dolphin vs Eastern Cordillera Small-footed Shrew

Cephalorhynchus commersonii compared with Cryptotis brachyonyx

Key Differences

• Commerson s Dolphin is Least Concern while Eastern Cordillera Small-footed Shrew is Data Deficient.

Taxonomic Classification

Rank	Commerson s Dolphin	Eastern Cordillera Small-footed Shrew
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Cetacea (Whales & Dolphins)	Soricomorpha (땃쥐목)
Family	Delphinidae (Oceanic Dolphins)	Soricidae
Genus	Cephalorhynchus	Cryptotis
Species	Cephalorhynchus commersonii	Cryptotis brachyonyx

Evolutionary Relationship

Commerson s Dolphin and Eastern Cordillera Small-footed Shrew share a common ancestor at the Class level: Mammalia. (포유류)

Conservation Status

Commerson s Dolphin

LC — Least Concern

Eastern Cordillera Small-footed Shrew

DD — Data Deficient

Physical Characteristics

Attribute	Commerson s Dolphin	Eastern Cordillera Small-footed Shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Eastern Cordillera Small-footed Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.