美洲黑海番鴨 vs 瓶鼻海豚

Melanitta americana compared with Tursiops truncatus

Key Differences

美洲黑海番鴨 is Near Threatened while 瓶鼻海豚 is Least Concern.

Taxonomic Classification

Rank	美洲黑海番鴨	瓶鼻海豚
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	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Anseriformes (雁形目)	Cetacea (Whales & Dolphins)
Family	Anatidae	Delphinidae (Oceanic Dolphins)
Genus	Melanitta	Tursiops (Bottlenose Dolphins)
Species	Melanitta americana	Tursiops truncatus

Evolutionary Relationship

美洲黑海番鴨 and 瓶鼻海豚 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

查看 Phylum: Chordata

Conservation Status

美洲黑海番鴨

NT — Near Threatened

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	美洲黑海番鴨	瓶鼻海豚
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

美洲黑海番鴨

Habitat

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

Range

Distributed across Colombia, Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

瓶鼻海豚

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

美洲黑海番鴨

The Black Scoter (Melanitta americana) is a species in the genus Melanitta. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.