The Purple-throated Mountain-gem (Lampornis calolaemus) inhabit from south Nicaragua to west Panama. This animal prefers forested areas in steeply sloping, mainly in canopy but moves down to shrub level freely at edges and breaks, and second growth or semi-open. Matures are 10 cm (4 inches) in height and 6 g in weight.
Its crown is glittering pale blue-green. Rest of upperparts are bright bronze-green, gorget purple, and chest glittering green to dusky green. Belly gray, bill black, and feet dusky. Visits flowers of epiphytic Ericaceae and Gesneriaceae.