zarro vs negrelho

Aythya ferina compared with Aythya marila

Key Differences

• zarro is Near Threatened while negrelho is Vulnerable.

Taxonomic Classification

Rank	zarro	negrelho
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 ferina	Aythya marila

Evolutionary Relationship

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

Conservation Status

zarro

NT — Near Threatened

negrelho

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

zarro

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (8 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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

O pato-mergulhão-comum (Aythya ferina) está classificado como Quase Ameaçado (NT) na Lista Vermelha da IUCN. Próximo de se qualificar como ameaçado, com populações que podem se tornar vulneráveis sem ações de conservação.

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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States