negrelho vs zarro-americano

Aythya marila compared with Aythya americana

Key Differences

• negrelho is Vulnerable while zarro-americano is Not Evaluated.

Taxonomic Classification

Rank	negrelho	zarro-americano
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order same	Anseriformes (Anseriformes)	Anseriformes (Anseriformes)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya marila	Aythya americana

Evolutionary Relationship

negrelho and zarro-americano share a common ancestor at the Genus level: Aythya.

Conservation Status

negrelho

VU — Vulnerable

zarro-americano

NE — Not Evaluated

Physical Characteristics

Attribute	negrelho	zarro-americano
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

negrelho

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.

zarro-americano

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

negrelho

O zarro-bastardo (Aythya marila) está classificado como Vulnerável (VU) na Lista Vermelha da UICN. Enfrenta alto risco de ameaça na natureza, com populações em declínio e pressão crescente sobre seu habitat.

zarro-americano

O mergulhao-cabecudo (Aythya americana) esta classificado como Nao Avaliado (NE) na Lista Vermelha da UICN. Ainda nao foi avaliado segundo os criterios da Lista Vermelha da UICN. Seu estado de conservacao ainda precisa ser determinado.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States