Smaug vs Drogon - Fight to the death

Dragon Size Chart! Whims from Valadae

Dragons of Middle Earth vs Elder Dragons & Souls Dragons

Glaurung by YellowPanda2001 on DeviantArt

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

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 One Ring :: View topic - Glaurung the Golden

Certainly my dragon is bigger - 9GAG

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

Bahamut (Titanodrakon Rex) by DraconisKiller on DeviantArt