Aggressive sibling wrestling: When honeybee queens are about to hatch, they make a high-pitched piping sound like a tiny trumpet to warn their sisters that they are ready to fight to the death for control of the hive.
Aggressive sibling wrestling: When honeybee queens are about to hatch, they make a high-pitched piping sound like a tiny trumpet to warn their sisters that they are ready to fight to the death for control of the hive.
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