Mouette rieuse vs Mouette à tête grise

Chroicocephalus ridibundus compared with Chroicocephalus cirrocephalus

Key Differences

• Mouette rieuse is Vulnerable while Mouette à tête grise is Least Concern.

Taxonomic Classification

Rank	Mouette rieuse	Mouette à tête grise
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (oiseau)	Aves (oiseau)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Chroicocephalus	Chroicocephalus
Species	Chroicocephalus ridibundus	Chroicocephalus cirrocephalus

Evolutionary Relationship

Mouette rieuse and Mouette à tête grise share a common ancestor at the Genus level: Chroicocephalus.

Conservation Status

Mouette rieuse

VU — Vulnerable

Mouette à tête grise

LC — Least Concern

Physical Characteristics

Attribute	Mouette rieuse	Mouette à tête grise
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mouette rieuse

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.

Mouette à tête grise

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Mouette rieuse

Black-headed Gull (Chroicocephalus ridibundus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇳🇴 Norway