My wife and I went for a walk on Tuesday evening. At the turn-around point we stopped to admire the scenery, and I spotted a dark blob concealed in the tall grass. On closer inspection with my bins, it turned out to be a Northern Harrier munching on what I believe was a field mouse. I pointed the lens and waited. And waited. And waited, until more than 30 minutes later the harrier finally decided to take off. After a long, tedious wait, that's usually the moment that I have chosen to look away for a second. But this time I grabbed a bunch of frames, one of which had a good wing position. I didn't realize until I was back home how well the image illustrated the full-crop condition resulting from her having dined on the mouse to her hearts content.
D500, 500f4 + 1.4 TC, ISO 1000, 1/2500s @ f/7.1 manual. Added bit of canvas right and top.
Thanks all. Isaac, this isn't a particularly large crop; the image as posted is approximately 70% of full width. It is the bird's crop that is enlarged here, not the image.