Height comparison: Smaug vs human

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

Calculating the size of Glaurung : r/tolkienfans

Ancalagon- The Real Size of the Greatest Dragon in Arda- Solved.

NO SPOILERS] Westeros's Drogon(short necked, younger and faithful) vs Middle Earth's Smaug(Long necked, badass, intelligent, without a master). Who would win? Personally, I prefer short necked dragons but Smaug might can easily

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

The One Ring :: View topic - Glaurung the Golden

Lord of the Rings' Biggest Dragon Was Ancalagon, Not Smaug

Acnologia vs Ancalagon and Glaurung - Battles - Comic Vine

Ancalagon the Black, greatest of the winged dragons, and Morgoth his master - by Çağlayan (skyrace) : r/lotr

Smaug vs Ancalagon by Valonia-Feline on DeviantArt