Great Horned Owls: Hiding in Plain Sight

Learn about one of the masters of the night at Great Horned Owls: Hiding in Plain Sight on Saturday, Jan. 31 from 12 to 1:30 p.m. in The Studio.

Instructor Mark Glenshaw will share the story of how he has become an expert on this amazing species, presenting how he found the owls and facts about them. He will also share many of his photos and videos to illustrate the fascinating behaviors of these beautiful owls.

$25/person. Registration will close Jan. 24 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 Olivia at 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.

About The Farms

The Farms: An Allerton Folk School, offers classes, workshops, and gatherings focusing on art, outdoor education, science, storytelling, and wellness. All experiences value hands-on, experiential teaching and learning, and are facilitated by and for the members of the community.

Find the complete Spring Session schedule here.