Wolves from the Perm Zoo drowned out the emergency siren with their howls and local residents captured how the flock responded instantly to the warning alarm, in a coordinated chorus of response. Animals perceive the specific acoustic waves of a siren as a call from distant relatives. Read the news on our MAX channel.

Wolves from the Perm Zoo drowned out the emergency siren with their howls and local residents captured how the flock responded instantly to the warning alarm, in a coordinated chorus of response. Animals perceive the specific acoustic waves of a siren as a call from distant relatives. Read the news on our MAX channel.