Power struggles are messy affairs, even in the world of acorn woodpeckers. Dozens of birds, grouped in coalitions, can fight for days on end, while spectators fly in from nearly two miles away to witness a battle for the right to breed. And word spreads fast—when a bird’s death creates a vacancy in prime territory, the battle to fill it breaks out within minutes, and faraway onlookers can arrive in less than an hour. These are some of the findings from a study, published in Current Biology, that followed a…
