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High Park
Caterpillar
Survey

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"Doing citizen science when the sun goes down"

A brief history

Back in July 2020, to keep active during the Covid lockdowns, long-time naturalist Richard Aaron invited a friend to search for caterpillars in Toronto's High Park, which was near to where each of them lived. This 399-acre (161-hectare) urban park contains several natural areas, which offered good potential. At the end of that season, interest remained high, so it was decided to turn it into a multi-year survey whose goal is to document the diversity and abundance of caterpillars in the park. As the survey continues to grow, so too does the number of volunteers.

What we've achieved so far

To date, we have documented well over a hundred species plus dozens more we haven't been able to identify (yet). Each year brings many new discoveries! Check out the photo gallery.

Species identified to date

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Survey location

HIGH PARK
(Toronto, Ontario, Canada)

- see map below -

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