Click through (below) – doesn’t look like the BBC is allowing embedding. Both videos (the big one at the top and the little one halfway down) are amazing.

“The overwhelming sensation you get when you see these birds in the wild is that you’re not looking at a bird, but at a dinosaur. They have a posture and a visage that is quite menacing,” says Mr Beeley.

BBC – Earth News – Close encounters with giant harpy eagle of Venezuela.