Commerson s Dolphin vs 鱗頸亞馬遜鸚哥

Cephalorhynchus commersonii compared with Amazona mercenaria

Taxonomic Classification

Rank	Commerson s Dolphin	鱗頸亞馬遜鸚哥
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	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Cetacea (Whales & Dolphins)	Psittaciformes (鹦形目)
Family	Delphinidae (Oceanic Dolphins)	Psittacidae (True Parrots)
Genus	Cephalorhynchus	Amazona
Species	Cephalorhynchus commersonii	Amazona mercenaria

Evolutionary Relationship

Commerson s Dolphin and 鱗頸亞馬遜鸚哥 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Commerson s Dolphin

LC — Least Concern

鱗頸亞馬遜鸚哥

LC — Least Concern

Physical Characteristics

Attribute	Commerson s Dolphin	鱗頸亞馬遜鸚哥
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Commerson s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

鱗頸亞馬遜鸚哥

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

鱗頸亞馬遜鸚哥

鳞颈亚马逊鹦鹉(Amazona mercenaria)是一种大型的以绿色为主的亚马逊鹦鹉，具独特的深色鳞状颈部羽毛和翼斑红色，栖居于哥伦比亚、委内瑞拉、厄瓜多尔和秘鲁北部和中部安第斯山脉海拔600至3,000米的潮湿山地森林。与其他亚马逊鹦鹉相比研究较少，以成对或小群觅食种子、果实和花朵于云雾林中。被列为无危。