Keep up with what's going on with the Indiana Chapter right on you wall. Share Your Photos Join the Indiana Chapter's Flickr group and share your favorite photos of our natural areas, plants and animals. We're on YouTube Learn how we protect the places we work around the world through video. Indiana's Nature Preserve System Turns 50! In Indiana, there are 274 dedicated nature preserves, protecting 51,836 acres. How many have you visited? The calves have arrived! We're excited to see bison calves on the Kankakee Sands prairie! Nature Notes: Barred Owl Here’s to the barred owls that entertain and distract us from the chaos of the day.