Great Horned Owl Nesting Season

Great horned owls are one of the apex predators of Cook County. Sometimes known as "the tiger of the skies," they grow large, relying on their size and strength to […]

Kickapoo Woods Volunteer Workday

Help us remove woody invasive species that deplete the health of the soil, prevent native plants from thriving, and severely affect the health of the ecosystem they invade. Make sure […]

Watersmeet Woods Volunteer Workday

The Skokie River and Middle Fork of the Chicago River come together to give Watersmeet Woods its name. But Watersmeet is also a wet place with numerous special types of […]

Kickapoo Woods Volunteer Workday

Help us remove woody invasive species that deplete the health of the soil, prevent native plants from thriving, and severely affect the health of the ecosystem they invade. Make sure […]

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 […]

Sap rising

During the transition from winter to spring, some types of trees begin to produce large amounts of tree sap. Trees, like sugar maples, don't do this just so humans can […]

Bird Walk at Whistler Woods

As we get ready to welcome spring and as the weather warms up (hopefully!), we begin to make our way back to Whistler Woods to check out the birds residing […]

Whistler Woods Volunteer Workday

Whistler Woods contains oak trees up to 300 years old, but invasive brush prevents their acorns from sprouting. Join a volunteer group that is cutting back invasives and improving the […]

Bird Walk at Whistler Woods

As we get ready to welcome spring and as the weather warms up (hopefully!), we begin to make our way back to Whistler Woods to check out the birds residing […]

Whistler Woods Volunteer Workday

Whistler Woods contains oak trees up to 300 years old, but invasive brush prevents their acorns from sprouting. Join a volunteer group that is cutting back invasives and improving the […]