Last week, our Waterloo Mills Preserve in Devon played host to seventh graders from Radnor Middle School. 

Radnor students have visited the Preserve every year for the last six years as part of the "Watershed" Integrated Learning Program. Through this program, science and math concepts...

For the last two weeks, the southerly winds have provided an opportunity for many of our migratory bird species to make their way northward.

The highlight for the last week has been the bountiful warblers, vireos, and flycatchers that have begun to make their way northward to their breeding...

Spring has arrived, the weather is growing warmer, and our native wildlife is beginning to appear again. 

Some species, like the eastern garter snake below, have spent the winter in an underground hibernaculum with hundreds of other garter snakes. The eastern garter snake is among the...