The White-throated Mountain-gem (Lampornis castaneoventris) also known as Gray-tailed Mountain-gem, is a resident in montane evergreen forest of Costa Rica and Panama. This birds shown here were photographed in October, 1995, at Chacons, 15 km SSE of Tres de Junio, Provincia de San Jose, Costa Rica. A Canon T-90 and FD 400mm F/4.5 lens from a gunstock mount with a Fresnel flash and Fuji Sensia 100 film was used. The top three shots are of males and the bottom shot showing the bird with the tan throat, is a female.