Eurasian Sparrowhawk (Accipiter nisus) lives in woodland edges across Europe, Asia, North Africa. It feeds on small birds insects. Its conservation status is Least Concern.
Fascinating facts about the Eurasian Sparrowhawk
- Females tower over males by up to a quarter, one of the greatest size differences between the sexes in any bird species. A female can weigh as much as 342 g, more than double the 110 g lightest male, while stretching to 41 cm long versus the male's 34 cm. This extreme dimorphism lets the larger female tackle prey larger than what a male can handle, shaping a split hunting strategy where each sex targets different-sized birds.
- A sparrowhawk's nest can span a full 60 cm across, and the pair lays four to five speckled eggs each year. After exactly 33 days of incubation the chicks hatch, then spend 24-28 days feathering up before they finally take flight. These tight timelines mean the female's body condition, fed by the male's daily haul of 40-50 g of prey, directly decides whether the clutch survives to fledging.
- Male Eurasian sparrowhawks regularly kill birds weighing up to 40 g (1.4 oz) and sometimes up to 120 g (4.2 oz) or more, but females can overpower quarry the size of a pigeon, 500 g (18 oz) or more. On average, a female's prey weighs two and a half times that of a male's catch, letting each sex exploit a different slice of the bird market and keep woodland songbirds in check across a wide size range.
- After a post-WWII crash caused by DDT-laden insecticides, the sparrowhawk bounced back once those chemicals were banned. Today it thrives across a 23.6 million km² range with an estimated 1.5 million individuals (2009) and is listed as Least Concern. In the UK its numbers even rose 108 % between 1970 and 2005, showing how quickly a top predator can recover when threats are removed.
Sources
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At a glance
RangeEurope, Asia, North Africa
HabitatWoodland edges
DietSmall birds insects
About the Eurasian Sparrowhawk
In the dappled light of woodland edges, the Eurasian Sparrowhawk weaves a stealthy path, its slate-grey back and wings allowing it to merge seamlessly with the shadows as it stalks its prey. With a sudden, explosive burst of speed, it darts forth, its sharp talons outstretched, a testament to its reputation as a formidable and agile hunter. As it soars through the forest, its piercing cry echoes through the trees, a haunting reminder of its presence, a master of the hidden world.
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Eurasian Sparrowhawk photographed on Feravox
