Teenage girls come running when you play Justin Bieber music ... but bears run from it.
Igor Vorozhbitsyn told the Croatian Times he was heading to his favorite fishing location in northern Russia's Yakutia Republic ... when he was attacked by a bear.
Vorozhbitsyn was in deep trouble ... when his cell phone rang. The ringtone -- Bieber's "Baby" -- upset the animal so ... it ran away.
So what's more amazing ... a Justin Bieber song scared a bear ... or a middle-aged Russian named Igor has a "Baby" ringtone?