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The largest falcon is the gyrfalcon at up to 65 cm (26 in) in length. The smallest falcon species is the pygmy falcon, which measures just 20 cm (7.9 in). As with hawks and owls, falcons exhibit sexual dimorphism, with the females typically larger than the males, thus allowing a wider range of prey species. [10]
The peregrine falcon has a body length of 34 to 58 cm (13–23 in) and a wingspan from 74 to 120 cm (29–47 in). [11] [20] The male and female have similar markings and plumage but, as with many birds of prey, the peregrine falcon displays marked sexual dimorphism in size, with the female measuring up to 30% larger than the male. [21]
Variations in shape and size. Eagles tend to be large, powerful birds with long, broad wings and massive feet. Booted eagles have legs and feet feathered to the toes and build very large stick nests. Falcons and kestrels are medium-size birds of prey with long
The white-tailed eagle is sometimes considered the fourth-largest eagle in the world, and is on average the fourth-heaviest. The martial eagle ( Polemaetus bellicosus ) is the largest eagle in Africa, and the fifth-heaviest (on average) eagle in the world, with a length of 78–96 cm (31–38 in), a weight of 3–6.2 kg (6.6–13.7 lb) and a ...
In early English falconry literature, the word "falcon" referred to a female peregrine falcon only, while the word "hawk" or "hawke" referred to a female hawk. A male hawk or falcon was referred to as a "tiercel" (sometimes spelled "tercel"), as it was roughly one-third less than the female in size.
The survival rate of raptorial birds tends to increase with larger body size, with a 30–50% annual loss of population rate in small falcons/accipiters, a 15–25% loss of population rate in medium-sized hawks (e.g., Buteos or kites) and a 5% or less rate of loss in eagles and vultures.
The gyrfalcon is the largest falcon in the world, being about the same size as the largest buteos but probably slightly heavier. Males are 48 to 61 centimetres (19 to 24 inches) long, weigh 805 to 1,350 grams (1 pound 12 + 1 ⁄ 2 ounces to 2 pounds 15 + 1 ⁄ 2 ounces), with average weights reported as 1,130 or 1,170 g (2 lb 8 oz or 2 lb 9 + 1 ...
A large falcon, it preys on birds and bats. [2] Most likely either the lanner or peregrine falcon was the sacred species of falcon to the ancient Egyptians, [3] and some ancient Egyptian deities, like Ra and Horus, were often represented as a man with the head of a lanner falcon.