Two lapwing chicks blithely wandered and foraged on a small spit of land in the middle of the pool. The parent was often as much as ten feet away, though always watchful. Behind, on the water, were juvenile and adult herring gulls.
This is like watching baby gazelle gambolling near a pride of lions. Any moment, I expected a herring gull to take a short hop over to swallow a chick whole.
Also nesting in the grass, incubating eggs I think, as yet with no chicks, were black headed gulls.
I gradually realised that the larger herring gulls were in fact prisoners, on parole. As long as they stayed still, they were tolerated, but make a move or take to the air and they were immediately mobbed by crowds of black headed gulls driving them away.
This watchful peace is what lent safety to the lapwing chicks.