Join Naturalist Bob at River Bluffs Open Space, located just west of the I-25/Windsor interchange off of CR 32E, and learn why the Great-horned owl is known as the tiger of the sky and more fun facts about these nocturnal hunters. Please dress appropriately for the weather and bring along some water. Approximately 2-hour program/bird watching. Hike rating: easy. No registration required. Please direct questions to Heather at (970) 679-4489.