All Day

Spring Ephemerals

Spring ephemerals are wildflowers that appear for only a few weeks each year, so you need to be alert if you're going to sneak a peek. You can find them […]

Amphibian breeding

By May, most amphibian species in Cook County have begun breeding. Throughout the forest preserves and beyond, toads, frogs, and salamanders spend the winter hiding under logs, in rotten wood, […]

Bunker Hill North Flatwoods Volunteer Workday

This site protects a large area of one of the rarest plant communities in Illinois, known as a Northern Flatwoods. Flatwoods are found where a dense layer of clay lies […]