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The saker falcon (Falco cherrug) is a large falcon species. It breeds from Central Europe eastwards across the Palearctic to Manchuria. It is a partial migrant, which means that some part of the population is migratory, some part is not. In Europe, for example, a part of the juveniles are migrating, while adults are mostly resident.
The Altai falcon has been identified as a color morph of the Central Asian saker falcon (Falco cherrug milvipes), as per the latest genetic research (Zinevich et al. 2023). Previously, it was variously classified as a morph, a subspecies ( Falco cherrug altaicus ), and even separate species ( Falco altaicus ).
Falconidae is a family of diurnal birds of prey and includes caracaras, laughing falcon, forest falcons, falconets, pygmy falcons, falcons and kestrels.They are small to medium-sized birds of prey, ranging in size from the black-thighed falconet, which can weigh as little as 35 grams (1.2 oz), to the gyrfalcon, which can weigh as much as 1,735 grams (61.2 oz).
The black morph is similar but has a strongly black-spotted underside, rather than finely barred as in the peregrine and the brown-morph gyrfalcon. White form gyrfalcons are the only predominantly white falcons. Silver gyrfalcons resemble a light grey lanner falcon of larger size. The species shows no sex-based colour differences; juveniles are ...
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 falcons and caracaras are around 65 species of diurnal birds of prey that make up the family Falconidae (representing all extant species in the order Falconiformes).The family likely originated in South America during the Paleocene [1] and is divided into three subfamilies: Herpetotherinae, which includes the laughing falcon and forest falcons; Polyborinae, which includes the spot-winged ...
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The hierofalcons are four closely related species of falcon which make up the subgenus Hierofalco: Lanner falcon, Falco biarmicus; Laggar falcon, Falco jugger; Saker falcon, Falco cherrug; Gyrfalcon, Falco rusticolus; The black falcon of Australia is occasionally considered allied to the hierofalcons: indeed it seems fairly close to them (Wink ...