Falco cherrug
Saker Falcon
The Saker Falcon is a large, powerful raptor with a robust build. Its upper parts are predominantly brown with pale edges, while the underparts are lighter, often buff-coloured with dark streaks. The head features a pale crown and a distinctive 'moustache' marking.
Females are noticeably larger than males, with broader wings and a heavier build. Juveniles have more pronounced streaking on their underparts and a bluish cere and eye-ring, which turn yellow in adults.
Length
45cm to 57cm
Wingspan
97cm to 126cm
Weight
730g to 1.3kg
Males and females have similar plumage
Primary Colour
Brown Grey
Secondary Colour
White Buff
Beak Colour
Grey Blue
Leg Colour
Yellow
Woodland
Garden
Wetland
Coastal
Urban
Farmland
Grassland
Desert
Tundra
Rainforest
Mountain
Savanna
Saker Falcons inhabit wide-open landscapes, including steppes, grasslands, and semi-deserts across a vast range from Eastern Europe to Central Asia. They prefer areas with sparse vegetation and elevated perches for hunting.
During winter, some populations migrate south to warmer regions, including parts of the Middle East and North Africa. They are occasionally spotted as rare vagrants in the UK.
Up to 4,700 meters
Temperate, Subtropical, Arid
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Saker Falcons primarily feed on small to medium-sized mammals, particularly ground squirrels and hares. They also hunt birds, including pigeons and partridges.
These falcons employ a combination of high-speed chases and surprise attacks to catch their prey, often pursuing them close to the ground.
Saker Falcons are known for their swift, powerful flight and impressive aerial hunting skills. They often hunt close to the ground, using their speed and agility to catch prey.
During the breeding season, pairs engage in spectacular aerial displays, including high-speed chases and mock attacks.
Saker Falcons are generally quiet outside the breeding season. During courtship and nesting, they produce a series of loud, harsh 'kree-kree-kree' or 'kek-kek-kek' calls. These vocalisations are often heard during territorial displays or when alarmed.
Saker Falcons typically breed between March and June. They form monogamous pairs and often reuse nesting sites from previous years. These falcons do not build their own nests but utilise abandoned nests of other large birds or cliff ledges.
Females lay 3-5 eggs, which are creamy-white with reddish-brown markings. The eggs are incubated primarily by the female for about 30-32 days while the male provides food.
Chicks fledge after 45-50 days but remain dependent on their parents for several weeks afterwards, gradually developing their hunting skills.
The Saker Falcon typically lives for 5 to 7 years, with a maximum recorded lifespan of 15.9 years.
Like all birds, lifespan can be affected by factors including predation, habitat quality, disease, and access to food sources.
The Saker Falcon faces significant threats due to habitat loss, electrocution on power lines, and illegal capture for falconry.
Conservation efforts focus on habitat protection, artificial nest provision, and stricter trade regulation. Captive breeding programs aim to bolster wild populations in some regions.
Saker
Adult Saker Falcons have few natural predators, but their eggs and chicks are vulnerable to large owls, ravens, and climbing mammals.
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website: BirdLife International. 2021. Falco cherrug. The IUCN Red List of Threatened Species 2021: e.T22696495A204182473.
View sourcereport, 2014: Saker Falcon Action Plan, Kovács et al.
website, 2010: Fransson et al., EURING list of longevity records for European birds
View source