Smaug vs Ancalagon by Valonia-Feline on DeviantArt

Glaurung Size Chart by SyndarilArt on DeviantArt

The Depicted Size of Dragons - or Hyperbole Much? : r/tolkienfans

Fire Drake of Gondolin Glaurung Smaug Scatha GAG Dragon of the War of Wrath Ancalagon the Black Size of the Dragons of Middle Earth. - iFunny

Comparison of the Dragons of Middle-Earth

the lord of the rings - How on (middle) earth did Eärendil kill a dragon as huge as Ancalagon? - Science Fiction & Fantasy Stack Exchange

Smaug size : r/lotr

The Complete Size Guide of the Creatures of Middle-Earth

The Dragons of Middle-Earth. Their Physical Powers. Part II.

Dragon Size Chart 3! Big dragon, Mythical creatures, Fantasy creatures

Diagram of mouth cone (gray area), introvert, and placids in