Sometimes you just have to accept that you're not going to get anything more than 'record' shots! It happened to me on my recent trip to South Wales for HBF. In the heat, these butterflies were very skittish and there was no time to think about anything, other than grabbing a shot when any tiny opportunity arose! At times like that, I often choose Aperture priority with the lens wide open, so that the camera chooses the fastest possible shutter speed for the conditions.
Jack is right that I have several cameras (not quite thousands) but it is not wise to have different types 'on the go' at the same time. You really do need to be thoroughly familiar with the controls of one camera, when working under pressure. It needs to be instinctive: which way to turn a focus ring or which button to press in a hurry. For example, I had been using my Olympus a lot and picked up the Lumix FZ200 to find, for a few moments, that I couldn't remember how to turn the thing on
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