Rather large hummingbird of humid evergreen and pine-oak forest in mountains. Fairly common, but typically inconspicuous in shady understory and at edges, where feeds at all levels on flowers. Despite the exciting name, often looks rather drab and grayish overall with a dark mask, whitish eyestripe, and dusky throat (amethyst gorget rarely catches the light). Note the blackish tail with small, pale gray corners.

https://ebird.org/species/amthum1