I'm nicknamed the Centennial State because I joined the Union on the centennial of the Declaration of Independence. I'm also a member of the Mountain states. What state am I?

From the Rocky Mountain bighorn sheep to the Colorado Hairstreak butterfly, this coloring page is packed with plants and animals native to Colorado. Little animal lovers are sure to enjoy coloring them in, and they'll get a social studies lesson in the process!

Click here to see the full series of mystery state coloring pages.