Why raccoons are so hard to get rid of

Raccoons, which can digest just about anything, are attracted to the huge amounts of garbage that build up in urban areas.
These highly intelligent, dexterous critters figure out ways of thwarting human efforts to stop them.
In 2016, Toronto spent $31 million to fend off a raccoon invasion, but the critters continued to swarm the city.
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Following is a transcript of the video.Narrator: In 2016, Toronto spent $31 million to fend off a raccoon invasion.