A distinctive new subspecies of the Royal Sunangel (Aves: Trochiliformes; Heliangelus regalis) from the Cordillera Azul, northern Peru
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MAGNOLIA PRESS
Abstract
A recently discovered and morphologically distinct population of the poorly known Royal Sunangel from the Cordillera Azul, Department of Loreto, Peru, is described as a new subspecies, Heliangelus regalis johnsoni. Males of johnsoni differ from those of nominate regalis in exhibiting intense indigo iridescence, particularly on the crown, throat and upper breast.
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Graves, Gary R., Lane, Daniel F., O'Neill, John P., and Valqui, Thomas. 2011. "<a href="https://repository.si.edu/handle/10088/17121">A distinctive new subspecies of the Royal Sunangel (Aves: Trochiliformes; Heliangelus regalis) from the Cordillera Azul, northern Peru</a>." <em>Zootaxa</em>, (3002) 52–58.