It is a simile because a simile has the word like or as and in this case it has the word like. Sean fought LIKE a wild animal.
Hope this helps!
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From about day 6 to day 14 ish
D Stieglitz published a photography magazine called Camera Work
Outlines use roman numerals, capitalized letter, Arabic numerals and lowercase letters and the four characteristics of the body of an outline is parallelism, coordination, subordination, and division.