The bats that hibernate all winter in Sodalis Nature Preserve start waking up and becoming active in April. There will be two night hikes in April at Sodalis Nature Preserve, sponsored by Hannibal Parks & Recreation. Reservations must be made by calling Hannibal Parks & Recreation at 221-0154 or by emailing mlrichards@hannibal-mo.gov. Nature programs and hikes are led by Gale Rublee, a nationally certified interpreter guide with more than 30 years experience as a nature educator and storyteller. She is a founding member of the Mississippi Hills Missouri Master Naturalist Chapter in Hannibal. As a nationally certified interpreter guide, she loves interpreting natural and human history for Hannibal residents and visitors alike.