Hen Harrier vs Eurasian Sparrowhawk

In short

The Hen Harrier and Eurasian Sparrowhawk can be distinguished by their flight style and structure. Hen Harriers have a more buoyant, gliding flight with wings held in a shallow 'V', while Sparrowhawks have rapid wing beats and a more direct flight. Both species have similar plumage tones, but their flight patterns and habitats are key differentiators.

Identification tips

• Flight style: Hen Harriers glide with wings in a shallow 'V'; Sparrowhawks have rapid wing beats.
• Size and structure: Hen Harriers are larger with longer wings and tails.
• Habitat: Hen Harriers in open areas; Sparrowhawks in wooded or urban areas.
• Plumage: Sparrowhawks have more distinct barring and a supercilium in females.

Size

Hen Harriers are generally larger and more slender than Eurasian Sparrowhawks, with longer wings and tails.

Plumage

Hen Harriers have a more uniform gray or brown plumage with less contrast, while Eurasian Sparrowhawks have a more distinct pattern with barred underparts and a prominent supercilium in females.

Behaviour

Hen Harriers are often seen gliding low over open fields, whereas Eurasian Sparrowhawks are more likely to be seen darting through woodlands or gardens.

Habitat

Hen Harriers prefer open habitats like moorlands and grasslands, while Eurasian Sparrowhawks are more adaptable, found in woodlands, gardens, and urban areas.

Voice

Vocalizations are not a primary distinguishing feature in the field for these species.