They are cute, quirky and are on a never-ending quest to get into your bird feeders. That's right, you guessed it - it's Squirrel Appreciation Day! There are four species of squirrels in Ohio: fox squirrels, flying squirrels, and grey and red squirrels. However, squirrels didn't always call the country's most popular parks home. In fact, they were introduced into urban parks such as Central Park and Harvard Square. Learn more: https://www.popsci.com/blog-network/ladybits/squirrels-and-men-how-we