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Earth Day: A Billion Acts of Green – Seed Giveaway (Canceled)

6/13/2019: Isle a la Cache is a great habitat for bird viewing, and early morning is the perfect time to search for birds.

The Owls of Will County

While you may hear them in the preserves, seeing them is a rare treat.

Quiz: How Savvy Are You About Snowy Owls?

Take this quiz to see how much you know about this treasured species.

Creature Feature: The Stunning Snowy Owl

Snowy owls are a prized find among bird-watchers, because the beautiful birds are a sight to behold set against a wintry backdrop.

Planting for Pollinators (Canceled)

4/23/2020: Learn about the importance of pollinators and how to attract them to your yard.

'Extremely Obese' Owl Rescued After Being Too Fat to Fly

The little owl in England had become anything but little after gorging itself on mice and voles in a field.

Creature Feature: The Predatory Great Horned Owl

The great horned owl is most well known from storybooks and folklore, because it is the owl that makes the famous hooting call.

Why is This Great Horned Owl White?

White birds are fairly common in the wild, with some swans, egrets, gulls and even owls known for their snow-colored plumage. But what about white birds that should be a distinctly different color, such as a white cardinal, hawk or great horned owl?

What’s the Big Deal About Pollinators?

5/17/2020: Learn about pollinators, what they do, what we can do to support them, and why it’s more important now than ever that we help.

Five Fascinating Facts You Probably Don't Know About Owls

Winter is the season for owls. Learn more about these mysterious and mystical creatures.

Nature Curiosity: How Do Owls Turn Their Heads So Far?

While it’s a common misconception that owls can turn their heads 360 degrees, they still can perform some pretty dramatic feats when it comes to checking out their environment

Nature Curiosity: How Do Birds Hear?

If you’ve thought to yourself 'Do birds have ears?,' well the answer to that question is both yes and no.

Have Your Christmas Lights Been Cut? Blame These Troublemakers

Almost nothing kills the holiday spirit quite like looking out your window to find that the Christmas lights you spent hours hanging outside are no longer lighting up the winter night.

Dive Into This Quiz on Birds of Prey

How much do you know about these impressive creatures are built for hunting, with sharp beaks, strong talons and spectacular flying ability?

Celebrate Earth Day's Golden Anniversary in 2020

Sign up for Earth Day month programs to make a difference in the world around you and to honor the original Earth Day goal of having a positive impact on the planet.

A primer for bringing your pooch to a preserve

Follow these rules to protect your pup and the preserves.

Pollinator Crafts: Bee Hotel (Canceled)

4/18/2020: Learn about the solitary bees that help gardens flourish then create a tiny bee hotel to take home.

Whalon Lake

The 249-acre Whalon Lake was acquired between 1992 and 2007. The preserve is part of the DuPage River preservation system, which conserves more than 1,500 acres.

Monee Reservoir

The 248-acre Monee Reservoir was acquired between 1982 and 2006. The preserve is part of the Rock Creek preservation system, which conserves more than 460 acres.

Isle a la Cache Museum

Isle a la Cache Museum immerses visitors in our cultural heritage and natural history. The museum transports visitors back to the 18th century, when "Illinois Country" was home to the fur trade.

Creature Feature: Opossums Are Nature's Pest Control

Opossums are so ugly that they're cute, but beyond their appearances we should appreciate them for their amazing pest control abilities.

Nature Curiosity: Why and How Do Turtles Breathe With Their Butts?

How do turtles breathe while they are underwater all winter? By breathing through their butts, so to speak.

Migration Watch: Hummingbirds Have Landed in the U.S. and You Can Map Their Progress

Thanks to Journey North — a project run by the University of Wisconsin-Madison Arboretum — you can chart the hummingbirds' progress as they head our way.

Army Corps, State Contribute $591,000 for Restoration Efforts

Contributions totaling $591,000 from the U.S. Army Corps and a state wildlife fund will help accelerate Forest Preserve restoration efforts at four preserves.


Fishing opportunities are available in the Will County forest preserves free of charge.

A Slide Through History: Joliet Iron Works Historic Site

Only ruins remain of the Joliet Iron Works, but thanks to a historic aerial photo, we can see the heart and soul of the steel mill prior to it being dismantled.

Coming in 2020: Pelican Watch, Food Truck Fridays, Zombies, and More

The 2020 special event schedule features a wide variety of offerings for all ages and interests.

Birds Are Modern-Day Dinosaurs? Believe It!

Despite what you learned in school, dinosaurs do still exist. The birds we see today are actually modern-day dinosaurs.

Pelicans Flock to Preserves

One of nature’s largest avian specimens have made a pit stop in Will County prior to migrating south for the winter.

Creature Feature: The Crafty Killdeer

One of most common birds in North America, the killdeer has a few tricks up its sleeve when it comes to protecting its nest from potential threats.

Flowers for Mothers Hike

5/9/2020: In honor of Mother's Day, stop and smell the wildflowers with your mother.

Creature Feature: The Agile Gray Squirrel

Do you know what kind of squirrel is taking up residence in your yard? Learn more about eastern gray squirrels and how to differentiate them from other squirrels that live in Illinois.

What's the Difference?: Reptile vs. Amphibian

Is a snake a reptile or an amphibian? How about a frog? These two classes of animals have some similarities, but some key characteristics also set them apart.

Monee Reservoir Big Fish Contest

6/2/2020: Fish Monee Reservoir for a chance to win a prize for the biggest bass, catfish and panfish by length.

Heartbreaking Egret Photo Another Reminder of Dangers of Improperly Disposed of Fishing Line

As the weather begins to turn for the better and more people take to the preserves to fish, we have an urgent plea for everyone: Please properly dispose of your fishing line.

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