Photographer Andy Clark caught a very dynamic moment in this picture. I wonder how long Andy had to work this situation before he was able to capture this frame.

Andy Clark/Reuters
A bald eagle attacks another over a piece of food on the Squamish River in Brackendale, north of Vancouver, British Columbia December 28. Bald eagles from all over gather in the area each November and stay till the following February to feed along the shores of the river.