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This non-free media file has been set up with as small a version as possible, to comply with Wikipedia's non-free content policy and United States copyright law. The current resolution has been manually selected to achieve as small an image as possible without destroying the image content. According to Wikipedia's policy for non-free content, the amount of non-free work should be as little as possible. In particular, non-free media on Wikipedia should not be usable as substitutes for the original work.
The 346x425 pixel resolution is well below the 1k-pixel single dimension or 1M-pixel total size described in WP:IMAGERES as a threshold above which extra scrutiny would be needed, is significantly smaller than existing versions of the same image found freely on the web, and is necessary to resolve the fine details of the image (such as the spiral tongue tips of the chameleons) that are discussed in the article.
