The Farms: Great Horned Owls: Hunting & Feeding

Experience Level: All Levels, All Ages 

Learn more about how owls hunt for their prey at Great Horned Owls: Hunting & Feeding on Sunday, August 16 from 12-1:30 p.m. in the Mansion Library. 

Owl enthusiast Mark Glenshaw is back at Allerton to teach students more about these majestic creatures. His engaging lecture will focus on the hunting and feeding behaviors of Great Horned Owls, including how they feed their young. 

$25/person. Register here. Registration will close August 9 or when capacity is reached. All sales are final. 

Learn more about the space where your course will take place here. If you will need disability-related accommodations to participate, please email owarren@illinois.edu.

By attending, you consent to your image being used in Allerton marketing, social media and publications. Please alert the photographer or videographer if you do not want your image taken.

About the Instructor

Mark Glenshaw is an award-winning naturalist from St. Louis, Missouri who observes, documents and performs outreach regarding the wild Great Horned Owls that live in Forest Park — a large urban park in St. Louis. He was studied these owls six to seven nights per week since December of 2005, documenting their behavior in both photos and video. 

Glenshaw also received the 2025 Outstanding Educator Award from the St. Louis Audubon Society. 

His outreach includes an average of 70 owl prowls and 50 presentations per year, including presentations to various Audubon Society chapters and six presentations for the Smithsonian Institution.  

In 2006 Glenshaw was awarded the Citizen Science Award by the Academy of Science of St. Louis. He is also a Certified Interpretive Guide, a certified Missouri Master Naturalist and a volunteer for Forest Park Forever.