Ruby-topaz Hummingbird

Male Ruby Topaz Hummingbird.

The adult male has dark brown body with dull olive gloss. The wings are dark grey. The tail is bright chestnut with black tip.
On the underparts, throat and breast are iridescent golden, or occasionally emerald-green.
The head shows shiny ruby-red forehead, crown and nape, sometimes more orange.
The black bill is short and straight. The eyes are dark brown. Legs and feet are blackish.

The female has copper-green upperparts. The tail shows olive-green central rectrices whereas the others are bright chestnut. We can see a dark purple subterminal band and white tips.
The underparts are pale grey. The birds from Trinidad and Tobago have sometimes a greenish-golden stripe from the chin, down to the breast.