Posts by Colleen Crank LREC Volunteer and Researcher

Young Eurasion Tree Swallow
We have chicks!
Out in the prairie the Eurasian Tree Sparrows are busy at work in the nestboxes. Our feathered friends have been…
Interior of nestbox
The Art of Checking a Nestbox
I have checked nestboxes in other areas in St. Louis in the past and based on my previous experience, I…
Great horned owl
The Mysterious World of the Owls
Bird life is abundant at LREC. You can hear the busy chatter of the Eurasian Tree Sparrows around the parking…
Two Eurasian tree sparrows on a bird feeder
A St. Louis Specialty
A few weeks ago when I parked my car on the LREC parking lot, I noticed a bustle of activity…
Orange fall leaf
The Autumn Show
Have you ever wondered what causes the leaves to turn those brilliant shades of red, orange and yellow, and why…