Pato boludo-mayor vs Pato cabeza roja

Aythya marila compared with Aythya americana

Key Differences

• Pato boludo-mayor is Vulnerable while Pato cabeza roja is Not Evaluated.

Taxonomic Classification

Rank	Pato boludo-mayor	Pato cabeza roja
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (Birds)	Aves (Birds)
Order same	Anseriformes (Anseriformes)	Anseriformes (Anseriformes)
Family same	Anatidae	Anatidae
Genus same	Aythya	Aythya
Species	Aythya marila	Aythya americana

Evolutionary Relationship

Pato boludo-mayor and Pato cabeza roja share a common ancestor at the Genus level: Aythya.

Conservation Status

Pato boludo-mayor

VU — Vulnerable

Pato cabeza roja

NE — Not Evaluated

Physical Characteristics

Attribute	Pato boludo-mayor	Pato cabeza roja
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pato boludo-mayor

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.

Pato cabeza roja

Habitat

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

Range

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

Pato boludo-mayor

El porrón bastardo (Aythya marila) está clasificado como Vulnerable (VU) en la Lista Roja de la UICN. Enfrenta un alto riesgo de amenaza en estado silvestre, con poblaciones en declive y presión creciente sobre su hábitat.

Pato cabeza roja

El porrón americano (Aythya americana) esta clasificado como No Evaluado (NE) en la Lista Roja de la UICN. Todavia no ha sido evaluado segun los criterios de la Lista Roja de la UICN. Su estado de conservacion esta pendiente de determinacion.

Shared Countries

Both species can be found in 4 countries:

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