Hummingbirds in existing light

This and the two following were taken without flash so they appear as we usually see them with wings just a blur. I personally like a mix of both techniques. These show that the fastest shutter speeds found
on most cameras ( usually 1/1,000 to 1/5,000 sec) are no where near fast enough to stop the wings which beat an incredible 50-70 beats per second. Usually, speeds in the
1/ 8,000 to 1/ 20,000 range sec are needed which can only be obtained by short duration flash.