Loudest bark by a group of dogs

According to Official Guinness Records,

The loudest dog bark measured 124 dB and was produced by 76 dogs in an event organised by Petmate, in Washington Park, Colorado, US on 7 November 2009. The event was organise by Petmate, to help raise food for local dog rescure centres and promote their line of dog toys named 'Dogzilla.' Owners donated a tin of unopened dog food. The barking was measured by a calibrated type I SPL sound metre.

For a complete list of 2009 records, please visit 2009 Guinness Records in United States.

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