Purple-throated Mountain-gem vs White-throated Mountain-gem

The Purple-throated Mountain-gem and White-throated Mountain-gem are similar hummingbirds, but males of the former have a distinctive purple gorget, while males of the latter have a white throat. Females of both species are more challenging to differentiate, with subtle differences in underpart coloration.

Look for the purple gorget in male Purple-throated Mountain-gems as the most reliable field mark. For females, note the pale rufous underparts of the Purple-throated Mountain-gem. Listen for the insect-like trills of the Purple-throated male.

Male Purple-throated Mountain-gems have a striking purple gorget, whereas male White-throated Mountain-gems have a white throat. Female Purple-throated Mountain-gems have pale rufous underparts, while female White-throated Mountain-gems may have more muted tones.

Male Purple-throated Mountain-gems are known for their insect-like trills, but there is no specific vocalization information provided for White-throated Mountain-gems.