Cálao pardo de Austen vs Charrán común

Anorrhinus austeni compared with Sterna hirundo

Key Differences

• Cálao pardo de Austen is Near Threatened while Charrán común is Endangered.

Taxonomic Classification

Rank	Cálao pardo de Austen	Charrán común
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (Birds)	Aves (Birds)
Order	Bucerotiformes (Bucerotiformes)	Charadriiformes (Charadriiformes)
Family	Bucerotidae	Laridae
Genus	Anorrhinus	Sterna
Species	Anorrhinus austeni	Sterna hirundo

Evolutionary Relationship

Cálao pardo de Austen and Charrán común share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Cálao pardo de Austen

NT — Near Threatened

Charrán común

EN — Endangered

Physical Characteristics

Attribute	Cálao pardo de Austen	Charrán común
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cálao pardo de Austen

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Cálao pardo de Austen

The Brown Hornbill (Anorrhinus austeni) is a species in the genus Anorrhinus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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 1 countries:

🇳🇴 Norway