You can do better detail wise ( http://www.pbase.com/wojtek_burkot/image/35688141 ), you can do better colour and composition wise. Yet, the play of the last rays of the setting sun on the wings and colourful background make this image special for me.
Sigma SD9
,CZJ Flekotgon 35mm/2.4 on bellows 1/20s f/11 iso100
full exif