Pato boludo-mayor vs Pato boludo-menor

Aythya marila compared with Aythya affinis

Key Differences

Pato boludo-mayor is Vulnerable while Pato boludo-menor is Least Concern.

Taxonomic Classification

Rank	Pato boludo-mayor	Pato boludo-menor
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 affinis

Evolutionary Relationship

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

Vista Genus: Aythya

Conservation Status

Pato boludo-mayor

VU — Vulnerable

Pato boludo-menor

LC — Least Concern

Physical Characteristics

Attribute	Pato boludo-mayor	Pato boludo-menor
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 boludo-menor

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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 boludo-menor

La Porrón Menor (Aythya affinis) está clasificado como Preocupación Menor (LC) en la Lista Roja de la UICN. Es una especie amplia y abundante en su área de distribución, con poblaciones estables y sin preocupaciones de conservación inmediatas.