Western Marsh Harrier vs Eurasian Sparrowhawk
Circus aeruginosus versus Accipiter nisus
Play a quiz with Western Marsh Harrier and Eurasian Sparrowhawk
Western Marsh Harrier
Eurasian Sparrowhawk
In short
The Western Marsh Harrier and the Eurasian Sparrowhawk are both raptors but differ significantly in structure and behavior. The Marsh Harrier is larger with broader wings and a more buoyant flight, while the Sparrowhawk is smaller and more agile, often seen darting through woodlands.
Identification tips
1. Size and Structure: The Marsh Harrier is noticeably larger with broader wings. 2. Flight Style: Marsh Harriers have a slow, buoyant flight, while Sparrowhawks are fast and agile. 3. Habitat: Look for Marsh Harriers over wetlands and Sparrowhawks in wooded areas. 4. Plumage: Note the Marsh Harrier's uniform brown and pale head versus the Sparrowhawk's barred underparts and slate-blue or gray-brown upperparts.
Size
The Western Marsh Harrier is larger, with a wingspan of 115–130 cm, compared to the Eurasian Sparrowhawk's 58–80 cm.
Plumage
Western Marsh Harriers have a more uniform brown coloration with a pale head in adults, whereas Eurasian Sparrowhawks have slate-blue upperparts in males and gray-brown in females, with distinct barring on the underparts.
Behaviour
Western Marsh Harriers are often seen gliding low over wetlands, while Eurasian Sparrowhawks are more likely to be seen flying swiftly through forests or gardens.
Habitat
Western Marsh Harriers prefer open wetlands and reedbeds, whereas Eurasian Sparrowhawks are more adaptable, found in woodlands, gardens, and urban areas.
Voice
Vocalizations are not a primary distinguishing feature in the field; both species are generally silent, especially outside the breeding season.
Western Marsh Harrier · Eurasian Sparrowhawk · My Tricky Birds