Spotted adverbs are provided in this article. The words listed here are commonly found along with the verb spotted in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb SPOTTED.
actually, beautifully, easily
finally, finely, frequently
heavily, immediately, instantly
irregularly, occasionally, probably
quickly, slightly, suddenly
thickly, usually
Hope this word list had the spotted adverb you were looking for. In addition to adverbs used with spotted, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.