Gaviota reidora vs Gaviota Cabecigrís

Chroicocephalus ridibundus compared with Chroicocephalus cirrocephalus

Key Differences

• Gaviota reidora is Vulnerable while Gaviota Cabecigrís is Least Concern.

Taxonomic Classification

Rank	Gaviota reidora	Gaviota Cabecigrís
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (Birds)	Aves (Birds)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Chroicocephalus	Chroicocephalus
Species	Chroicocephalus ridibundus	Chroicocephalus cirrocephalus

Evolutionary Relationship

Gaviota reidora and Gaviota Cabecigrís share a common ancestor at the Genus level: Chroicocephalus.

Conservation Status

Gaviota reidora

VU — Vulnerable

Gaviota Cabecigrís

LC — Least Concern

Physical Characteristics

Attribute	Gaviota reidora	Gaviota Cabecigrís
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gaviota reidora

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, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Gaviota Cabecigrís

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Gaviota reidora

Black-headed Gull (Chroicocephalus ridibundus) está clasificado como Vulnerable (VU) en la Lista Roja de la UICN. Enfrenta un alto riesgo de peligro en estado silvestre, con poblaciones en declive y presión creciente sobre su hábitat.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇳🇴 Norway