Épervier à collier roux vs Sterne pierregarin

Accipiter cirrocephalus compared with Sterna hirundo

Key Differences

• Épervier à collier roux is Least Concern while Sterne pierregarin is Endangered.

Taxonomic Classification

Rank	Épervier à collier roux	Sterne pierregarin
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (oiseau)	Aves (oiseau)
Order	Accipitriformes (Hawks & Eagles)	Charadriiformes (Charadriiformes)
Family	Accipitridae (Hawks & Eagles)	Laridae
Genus	Accipiter	Sterna
Species	Accipiter cirrocephalus	Sterna hirundo

Evolutionary Relationship

Épervier à collier roux and Sterne pierregarin share a common ancestor at the Class level: Aves. (oiseau)

Conservation Status

Épervier à collier roux

LC — Least Concern

Sterne pierregarin

EN — Endangered

Physical Characteristics

Attribute	Épervier à collier roux	Sterne pierregarin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Épervier à collier roux

Habitat

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

Range

Found in Norway.

Sterne pierregarin

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.

Épervier à collier roux

The Collared Sparrowhawk, known scientifically as <em>Accipiter cirrocephalus</em>, is a small bird of prey belonging to the family Accipitridae. As a member of the genus Accipiter, <em>Accipiter cirrocephalus</em> is characterised by its short, rounded wings and long tail, adaptations that enable agile manoeuvring through forest and woodland habitats while pursuing bird prey. The species typically inhabits forests, woodland, and forest edges, where it hunts small birds and occasionally insects. It is reported to occur in Norway according to available range data. Adult males of this species often display a distinctive rufous collar on the nape, which contributes to the species' common name. Detailed biological traits including typical lifespan, body length, and weight are poorly documented for this species in available literature. The Collared Sparrowhawk is currently assessed as Least Concern on the IUCN Red List.

Sterne pierregarin

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway