Asian honey bees rally against giant hornet invasions with an acoustic response that resembles the alarm shrieks of birds, primates and other social mammals.
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00:00When giant cousins of murder hornets attack Asian honeybees, the bees raise an alarm similar
00:10to the panicked calls of birds and mammals. Giant hornets are a sister species, two so-called
00:17murder hornets. They're one of the deadliest predators of Asian honeybees, attacking in
00:22groups until they overwhelm a colony. Scientists recently recorded and analyzed alarm sounds
00:28made by honeybees during hornet attacks. They found that when a giant hornet shows up, the
00:43bees made a lot more noise.
01:13Giant hornets are the biggest threat to Asian honeybees. Just one attack can wipe out an
01:21entire colony. This could explain why bees have evolved to have a special signal for a
01:27giant hornet attack.