Food sorce: mostly fish
Habitat : sea caves and dark tide pools.
defence: produces a concussive sound that can kill a man at close range. This however is not used in combat, only in defence.
This Reclusive dragon inhabites sea caves and dark tide pools when startled the Thunderdrum produces a concusive sound that can kill a man at close range
When a Thunderdrum hatches from its egg it makes a sound so lound it ratles the sky
2011 Dreamworks Animation