Learn how to care for woolly bear caterpillars over the fall and winter.<br>A naturalist from the SUNY College of Environmental Forestry discusses wooly bear caterpillars.<br><br>We found lots of these that day when trekking through Rouge Park just outside of Toronto. They curl up into a ball if you pick them up and will stay that way until .<br>My mum found a Woolly Bear Caterpillar a month or so ago and out of the cocoon came this beauty, the Isabella Tiger Moth! Theres even eggs all about!