If a pair of plovers lose their eggs, to either predators or idiots, then they will stick around and lay another batch of them. If the birds mean restricted beach access for you then that will possibly affect you for another 4-6 weeks after they normally leave.
It really isn't a laughing matter if you are affected by them. If they don't breed and the fledglings don't grow and migrate then beach access issues will NEVER be restored.
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