Polyphemus Caterpillar

What is it?
This caterpillar was found in Osoyoos, British Columbia, Canada in July 2005. It is approximately 3 inches long. Do you know what it is?
Justen DePourcq

Hi Justen,
We believe this to be a Polyphemus Caterpillar, one of the Giant Silkworm or Saturnid Moths.

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