This dog’s reaction to hearing a Japanese ambulance siren is just too adorable.

As the speeding ambulance comes to an intersection and slows down, the dog, hearing the noise of the siren, joins in with the biggest howl, keeping that high note surprisingly long!

(Source: Yamato Suzuki)

The dog probably just thought the Twilight Bark was going down and wanted to help send the message along, like the helpful little guy that he is.

Read more: http://viralnova.com/dog-copies-siren/