tags: Bait Ball Feast, natural history, animal behavior, plankton, herring, seabird, humpback whale, television, BBC, streaming video
In late summer, the plankton bloom is at its height. Vast shoals of herring gather to feed on it, diving birds round the fish up into a bait ball.
Awesome footage Grrl. Sir David Attenborough at his magnificent best and a great advert for the BBC.
Would you like some bird with that fiih?