But each time the eagle dove, the coot ducked under the surface, the video taken by a onlooking fly fisher showed.
The common buzzard - often mistaken for the golden eagle - is the most prevalent bird of prey in Northern Ireland, often seen in the open countryside and woodlands.
"The golden eagle looks more streamlined," she said ... golden eagles are known for catching live prey including rabbits, hares, ground squirrels and prairie dogs, he said.
They are usually prime prey for birds at the top of the food chain, he said. He said he recalled once seeing a golden eagle hunting fish at Lake Cachuma in Santa Barbara County in the same manner.