1897 19th_century absurd_res agathaumas ambiguous_feral ambiguous_gender ancient_art ceratopsian charles_r_knight day dinosaur facial_horn feral full-length_portrait grass green_body green_scales green_skin green_theme hi_res horn marginocephalian nature nature_background nose_horn ornithischian outside painting_(artwork) plant portrait prehistoric_species reptile scales scalie solo tail traditional_media_(artwork) tree
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