Genus Eucephala Reichenb.

Rich and conspicuous blue is the prevailing tint in the genera Eucephala and Hylocharis, which may be considered as truly Brazilian, since most of the species are natives of that country, almost the only exception being the E. Grayi, which is found in the Andes. There is scarcely any section of the Trochilidæ less understood or more difficult to discriminate than the next six or eight species.


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Featuring all 422 illustrated species from John Gould’s A Monograph of the Trochilidæ, or Family of Humming-Birds arranged by color.