Toronto's Raccoons

Toronto has, for decades, carried an informal reputation as one of the world's most raccoon-dense cities, a status researchers have linked to the animal's intelligence, dexterity and comfort living alongside humans, combined with the abundant food waste, mature tree cover and near-total absence of natural predators that a large North American city like Toronto provides. Studies of urban raccoon behaviour have specifically used Toronto's population as a research subject given how thoroughly the animals have adapted to city life here.

An arms race over the green bin

That adaptability became a genuine municipal design problem when Toronto rolled out its curbside green bin composting program in the 2000s: early bin designs were quickly defeated by raccoons capable of learning and manipulating simple latches to access food waste inside. The city redesigned the bins multiple times, adding increasingly raccoon-resistant locking mechanisms that required a level of dexterity or leverage the animals couldn't easily replicate, a low-grade design battle between municipal engineers and the city's raccoon population that received international media coverage and cemented Toronto's reputation as a capital of urban raccoon culture.

Sources

• CBC News — Toronto's raccoon-proof green bins
• The Atlantic — Toronto's raccoon problem

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