By Daniel Barringer, Preserve Manager Spring is running late and we haven’t yet had any nights of (relatively) warm rain when the yellow-spotted salamanders and…
by Tim Burris, Preserve Manager Black Bears (Ursus americanus) have a really interesting strategy for dealing with the winter. Their winter sleep is not considered…
By Daniel Barringer, Preserve Manager Our nomination of the large red maple (Acer rubrum) at Green Hills Preserve to the register of Big Trees of Pennsylvania…