Tough, rock-eating dragons like the Gronckle and Whispering Death .
Dragons with blade-like attributes, such as the Deadly Nadder and Timberjack . Book of Dragons Animação, Curtas, Comédia 2011 ...
Elusive species like the Changewing and Boneknapper . Tough, rock-eating dragons like the Gronckle and Whispering
Fire-breathers like the Terrible Terror and Monstrous Nightmare . Book of Dragons Animação, Curtas, Comédia 2011 ...