User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-5029315-20130601055450/@comment-6050823-20130601125844

It is the Frozen Sea's Dragonship for these few reasons.One,the wooden pole on the ship is red while on both the old and new Great Desert Ships its black in color.

Old Ship http://monsterhunter.wikia.com/wiki/File:GrtDesert-Gong.jpg

New Ship http://www.capcom.co.jp/monsterhunter/4/images/world_img_09.jpg

Two,water splashed behind Goa Magara's back if you look behind it at 2:36.

Lastly three,you could see ice behind Goa Magara if you look good enough behind it before it roars.