Bison and bison calf in a field.
Bison Calf Bison calves, often referred to as "red dogs", are typically born between March and mid-May at our Nachusa Grasslands Preserve. © Michael Quigley

Protecting Illinois Nature

For more than 60 years, people like you have helped The Nature Conservancy protect the sun-kissed prairies, shady oak savannas and tranquil forests of Illinois. With your support, we can build on that legacy by bringing people together to help solve today’s biggest conservation challenges, from climate change and habitat loss to protecting clean water.

Birds flying above water.
Wetland birds at Emiquon. The Emiquon preserve near Havana, Illinois. © Laura Stoecker


Conservation Report 2023

2023 was a tremendous year in conservation for TNC in Illinois. Celebrate Earth Month by taking a look at all that we achieved together.