Mark Glenshaw

Charles lost his mate Virginia, as well as their eggs, just before the new year. He’s been courting a new female since January.

In early March, Mark Glenshaw joined host Sarah Fenske on St. Louis on the Air to discuss his obsession with owls. On Monday’s show, Glenshaw returned to…

Mark Glenshaw is obsessed with owls. By day, he is a manager at Fontbonne University’s library; but by night, he frequents a discrete area of Forest Park,…

On Monday’s St. Louis on the Air, host Don Marsh led a discussion about observing and appreciating urban wildlife in the bi-state area.Joining the…

Amateur naturalist Mark Glenshaw continues observing the owl community in Forest Park. He watches them close enough to recognize them, name them and…

“The Bachelor” has returned to the airwaves this week but even that reality television show would be hard pressed to measure up to the level of drama,…

On December 29, Mark Glenshaw celebrated his 10th anniversary of monitoring a pair of Great Horned Owls in Forest Park. The amateur naturalist made his…

Updated 5:20 p.m., Sept. 7 with news about Sarah’s passingAmateur naturalist Mark Glenshaw on Monday reported that Sarah, a beloved Great Horned Owl in…

Although Great Horned Owls can be found just about everywhere in North America, they’re not the easiest birds to spot, even when you’re looking for…