common bottlenose dolphin vs Greater Scaup

Tursiops truncatus compared with Aythya marila

Key Differences

• common bottlenose dolphin is Least Concern while Greater Scaup is Vulnerable.

Taxonomic Classification

Rank	common bottlenose dolphin	Greater Scaup
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Aves (새)
Order	Cetacea (Whales & Dolphins)	Anseriformes (기러기목)
Family	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Tursiops (Bottlenose Dolphins)	Aythya
Species	Tursiops truncatus	Aythya marila

Evolutionary Relationship

common bottlenose dolphin and Greater Scaup share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Greater Scaup

VU — Vulnerable

Physical Characteristics

Attribute	common bottlenose dolphin	Greater Scaup
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

common bottlenose dolphin

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).

Greater Scaup

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

common bottlenose dolphin

가장 많이 연구되고 잘 알려진 돌고래 종인 큰돌고래는 연안 얕은 곳부터 먼 바다까지 전 세계 온난하고 온대 해양에 서식합니다. 체구 대비 큰 뇌를 가진 고도로 지능적인 이 종은 자기 인식, 복잡한 의사소통 및 사회적 학습을 보여줍니다. 유동적인 분열-융합 사회에서 살며 물고기를 몰기 위해 협력합니다. 해양 생태계 건강의 핵심 지표 종입니다.

Greater Scaup

흰뺨오리(Aythya marila)는 IUCN 적색목록에서 취약종(VU)으로 분류됩니다. 개체군이 감소하고 서식지 압박이 증가하면서 야생에서의 위기 위험이 높습니다.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden