Falco peregrinus macropus, described by Swainson in 1837, is the Australian Peregrine Falcon.
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Falco peregrinus radama, described by Hartlaub in 1861, is found in Madagascar and Comoros.
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Falco peregrinus cassini, described by Sharpe in 1873, is also known as the Austral Peregrine Falcon.
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Falco peregrinus minor, first described by Bonaparte in 1850.
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Falco peregrinus calidus, described by John Latham in 1790, was formerly called leucogenys and includes caeruleiceps.
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Falco peregrinus madens, described by Ripley and Watson in 1963, is unusual in having some sexual dichromatism.
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Falco peregrinus submelanogenys, described by Mathews in 1912, is the Southwest Australian Peregrine Falcon.
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Falco peregrinus japonensis, described by Gmelin in 1788, includes kleinschmidti, pleskei, and harterti, and seems to refer to intergrades with calidus.