Coelurosauravus - Wikipedia

Height comparison: Smaug vs human

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

Dragons, The One Wiki to Rule Them All

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

Ancalagon the Black makes Smaug look like a little baby which just emerged from egg. - 9GAG

Dragon scale: Why it's impossible to size up Tolkien's Middle-earth

The One Ring :: View topic - Glaurung the Golden

Smaug size : r/lotr

Acnologia vs Ancalagon and Glaurung - Battles - Comic Vine

Middle-Earth Comparison, Lord of the Rings vs Hobbit