Crossword Genius

Crested lizard (6)

Ross

I believe the answer is:

iguana

'crested lizard' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for iguana that I've seen before include "Tropical tree-lizard" , "Arboreal lizard of S America" , "Lizard Darwin found in the Galapagos" , "Arboreal lizard with a spiny crest" , "Herbivore" .)

I've seen this clue in The Sun, The Telegraph and The Sunday Times.
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