dragons - What does Tolkien say about Ancalagon's physical appearance, especially his size? - Science Fiction & Fantasy Stack Exchange

Questions like this one dealing with Ancalagon in particular, and Middle-earth's dragons in general, clearly show that Ancalagon was ridiculously, absurdly, unimaginably enormous. The non-canoni

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The Dragons of JRR Tolkien : r/Fantasy

dragons - What does Tolkien say about Ancalagon's physical appearance, especially his size? - Science Fiction & Fantasy Stack Exchange

What is the size difference between Ancalagon the Black and Smaug? - Quora

The Dragons of JRR Tolkien : r/Fantasy

What is the most likely size for Ancalagon the Black? How does this compare to Balerion and other dragons of fantasy? - Quora