A dramatic feeding frenzy involving seabirds and bait fish was witnessed off Tyrella Beach in County Down. Mary Montague, a local naturalist, observed the event through her telescope, describing a chaotic scene of desperate fish and hungry birds.
The spectacle began with a squadron of juvenile great black-backed gulls, followed by adult herring, common and great black-backed gulls, a gannet, razorbills, guillemots, and cormorants. The birds were seen dipping, diving, and jostling over a bait ball—a tight sphere formed by forage fish such as sprat or young herring under attack.
Bait balls occur when predatory fish like mackerel or cod surround a school of smaller fish, driving them upwards. Seabirds join the hunt, diving from above, forcing the school to compress into a dense ball. Eventually, the ball breaks the surface, where birds feast on the exposed fish.
The frenzy ended abruptly, with birds drifting apart as the sea calmed. Montague noted the event highlighted the intense life-and-death struggles occurring offshore.
