The Screaming Death is a heavily mutated, albino
The Screaming Death's fire attack is like a gattling gun firing up to ten fireballs per shot. Sadly it has a two shot limit. The Red Death's shot limit is unkown but it's attack is much more like a flamethrower. The Screaming Death is strong enough to plow through seastacks and other rock alike.
Classified as a Boulder Class dragon, the Whispering Death is one of the most feared creatures on the Isle of Berk. Vikings can identify a Whispering Death by its bulging eyes, spiked body and the hundreds of sharp teeth that line the entirety of its mouth.
Description. A foul mixture of poisons that are each deadly even on their own. Quiet Death is so potent it unnerves even the most experienced assassins.
The Razorwhip is a medium-sized Sharp Class dragon that first appeared in Dragons: Race to the Edge.
The Bewilderbeast is bigger than the Red Death. It has two large tusks on its face. It shoots giant gallons of ice. It can not fly.
Toothless' Nemesis or Toothless' Rival is an Whispering Death, the archenemy of Toothless, and the main antagonist from DreamWorks Dragons.
Some packs of Speed Stingers have webbed talons which allows them to run across water (island hopping).
Most Night Furies in the wild won't have been domesticated, so they won't have lost their instinct to kill, and they would also have both of their tails working independently, so the likelyhood is the average Night Fury would be more powerful than Toothless, so as a whole, the Night Fury is more powerful than you think ...
Even when drugged by Grimmel, the Light Fury was able to keep ahead of Toothless and Hiccup.
The other dragons don't seem to do anything but what the bewilderbeast commands them to do. However, Toothless (& Valka's Bewilderbeast) seem to control the other dragons through a sense of respect.
The Flightmare is a medium-sized dragon that has a very unique ghost-like appearance. Its body is covered in tiny spots, making it resemble the stars in the night sky. A Flightmare slightly resembles a mix between a Skrill, a Night Fury, and a Fireworm, with brightly glowing scales.
Training. They enjoy mimicry, so if one tries to mimic them, be it by their noises or their movements, they will find the individual fascinating. As mentioned in Incognito's description, by saving a Changewings life they will be you loyal friend.
Flightlessness. In addition, despite possessing wings, Seashockers are very weak flyers, as their wings are designed to be more like flipper for swimming in water. This is why Valka's Seashockers brought Toothless to the shores of Valka's Mountain and gave him to Sailback instead of flying him up themselves.
Toothless with his girlfriend – two known Night Furies. Oh, and Toothless gets a girlfriend. The loveable dark dragon finds one other dragon from his kind, and to his pleasant surprise, she is a pink coloured Night Fury.
About a decade after the dragons left New Berk, Toothless and the Light Fury had three offspring, which Hiccup named Night Lights, as a combination between the names of their parents' species.
may be viewed here. Toothless and Light Fury's Relationship is one of the strongest romantic relationship between dragons seen in the franchise.
The Berserker Bewilderbeast is a female Bewilderbeast who first appeared in "King of Dragons, Part 2".
Both Valka and Drago use similar methods with rods identical to each other to call the dragons. In the movie, after the fight with Drago's Enslaved Bewilderbeast killed Valka's Bewilderbeast by impaling its underside with his tusks.
History. Five of these dragons have been seen thus far; two alive, one in an egg, the egg's mother, and one dead. The deceased Bewilderbeast was seen on Vanaheim; the island where most dragons go to die, where its skeleton made up part of the island's landscape.
Timberjack. This gigantic creature has razor-sharp wings that can slice through full grown trees. Hiccup as he reads through the Dragon Manual. The Timberjack is a gigantic Sharp Class dragon that was first mentioned in How to Train Your Dragon and first appeared in Book of Dragons.
The Skrill is an electrical dragon. It can absorb and store electrical energy from lightning bolts. Using its metallic spines, it can channel the lightning through its body and fire out destructive blasts through its mouth.
It's another name for a werewolf, a mythical creature that can turn humans into other werewolves by biting them. This name technically suggests that "Lycanwing" means "Wolf wing". Ironically, it was a wolf that bit Tuffnut.