Ardilla Gris Oriental vs Charrán común

Sciurus carolinensis compared with Sterna hirundo

Key Differences

• Ardilla Gris Oriental is Not Evaluated while Charrán común is Endangered.

Taxonomic Classification

Rank	Ardilla Gris Oriental	Charrán común
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Sciuridae (Squirrels)	Laridae
Genus	Sciurus (Tree Squirrels)	Sterna
Species	Sciurus carolinensis	Sterna hirundo

Evolutionary Relationship

Ardilla Gris Oriental and Charrán común share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Charrán común

EN — Endangered

Physical Characteristics

Attribute	Ardilla Gris Oriental	Charrán común
Diet	Omnivore	—
Average Lifespan	6 years	—
Average Length	25 cm	—
Average Weight	500 g	—

Habitat & Geographic Range

Ardilla Gris Oriental

Habitat

Typically found in a wide range of habitat types.

Range

Widely distributed across Africa (South Africa), Asia (Indonesia), Europe (10 countries), and North America (Mexico, United States).

Charrán común

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Ardilla Gris Oriental

La ardilla gris oriental (Sciurus carolinensis) es nativa del este de Norteamérica y ha sido introducida en numerosas regiones del mundo por su alta adaptabilidad a entornos urbanos. Su estado de conservación es de preocupación menor (LC), aunque en países como el Reino Unido e Italia se considera una especie invasora que amenaza a la ardilla roja autóctona.

Charrán común

El charrán común (Sterna hirundo) está clasificado como En Peligro (EN) en la Lista Roja de la UICN. En alto riesgo de extinción en estado silvestre, con un significativo declive poblacional y amenazas continuas a su supervivencia.

Shared Countries

Both species can be found in 6 countries:

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