A female Orange-breasted Trogon (Harpactes oreskios) was quietly perching on a branch when she was alerted by the call of a male nearby. Also nearby was a tailless male trogon.
The female trogon suddenly flew to perch on a clear branch, responding with a soft call. And just as suddenly, the first male flew to her, mounted her (above) and in a split second or so, completed the cloacal kiss (below).
The entire copulatory act took Adrian Lim a.k.a wmw998 by surprise. He was not ready to document the action and came away with these images, among others.
Images by Adrian Lim.
This post is a cooperative effort between NaturePixels.org and BESG to bring the study of bird behaviour through photography to a wider audience.