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They played this game for about half an hour. They would take turns. The hawk would chase the crows, then they would chase the hawk. In the end, the crows drove the hawk away by their sheer persistence and numbers.
Canon EOS-1D Mark IV EF400mm f/5.6L USM lens 400mm f/8.0 1/2500s 800 ISO +0.3 EV
Canon EOS-1D Mark IV EF400mm f/5.6L USM lens 400mm f/7.1 1/2500s 800 ISO +0.3 EV