I saw a group of 3 or 4 seagulls take down a pigeon in this way on an office rooftop next door. It was too gruesome to watch. When I next looked out there was

I saw a group of 3 or 4 seagulls take down a pigeon in this way on an office rooftop next door. It was too gruesome to watch. When I next looked out there was just a wing with a few feathers hanging off it sitting there.