This is one way to take photo's of Bluebirds.... first you have to build some trust with them, about 20 hours... then set a Nikon d3s with an 16-35 f2.8 lens with a remote control and tripod...with the proper settings... The photo was taken with an Nikon d3 and a 200-400 super zoom by Nikon.. then take about 50 shots and hope the timing right for one shot... piece of cake......