One of the 3 harriers on WAnimals

Birds · Accipitriformes · Accipitridae
Circus cyaneus
The species is abundant and widely distributed; it faces no significant short-term risk.
A medium-sized raptor with long wings and tail and very long tarsi. The male is grey-toned with black primary tips and an unbarred white belly; the female, much larger, is brown and mottled. It hunts by gliding low and slow with its wings in a V.
Weight
400 g – 700 g
Size
40 cm – 50 cm
Diet
Carnivore
Feeds mainly on other animals.
Activity
Diurnal
Active mainly during the day.
Social structure
In pairs
Usually lives in pairs, sometimes for life.
AI-generated images: illustrations, not photographs.
Sources consulted: SEO/BirdLife (ficha y III Atlas de las aves en época de reproducción en España) · IUCN Red List · Asturnatura · Arroyo, Molina y Del Moral 2019, El aguilucho cenizo y el aguilucho pálido en España (SEO/BirdLife) · Arroyo 2022, III Atlas · García y Arroyo 2001, Ardeola
Best time: All year round in the north of the peninsula; in the rest of Spain, mainly from October to March
Parks and dive sites where this species has been documented — showing 10 of 153.
Other species in the catalogue with the most in common with Hen Harrier — same habitat, park, country, tags or family.
Based on what we already know about hen harrier.
The pins mark the parks where its presence is documented.