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Nature

A cougar at Wildlife Prairie State Park near Peoria. (E. Jason Wambsgans/ Chicago Tribune / June 14, 2012)

Study: Cougars again spreading across Midwest

Cougars are again spreading across the Midwest a century after the generally reclusive predators were hunted to near extinction in much of the region, according … Read more ›

Callery Pear infestation in a natural area (Photo from Bugwood Wiki, University of Georgia)
From the community

Invasive Ornamental Plants Pose Threat for Native Wildlife

In winter we dream of spring. We peruse garden catalogs for beautiful plants to adorn our homes. When late spring arrives and the danger of … Read more ›

Zebra mussels are an aquatic invasives species that has been problematic in the Great Lakes region since the 1990's.  (Photo from WI IDNR)
From the community

Aquatic Invasive Species Found at a Lake Near You

Asian carp. Zebra and quagga mussels. Brazilian elodea and Eurasian watermilfoil. Their names read like a list of recent headlines. All of these aquatic animals … Read more ›

Garlic mustard (Alliaria petiolata) is a forest invader introduced by European colonists (Photo from King County, WA website)
From the community

The Month of May Highlights Issue of Invasive Species in Illinois

Invasive species, organisms that are reproducing and expanding the areas they occupy outside their historically documented native ranges, have become a considerable problem throughout the … Read more ›

One of the 13 elk living in Elk Grove. (Heather Leszczewicz/TribLocal)

Elk herd, longtime area residents

The northwest corner of Higgins and Arlington Heights may look like an empty, fenced-in field most of the time, but, yes, there are elk in … Read more ›

Saturday night is prime time for Lyrids meteoroid watching

Saturday night promises to be cold, a little damp and dark — a great night to be outdoors, if you’re a stargazer. The hours from … Read more ›

Volunteer talks with public at Waukegan Harbor in summer 2011.
From the community

Lake and Cook County Residents: Help protect your lake from invasion!

Have you seen zebra mussels on docks, buoys, and bottoms of boats in lakes and ponds near your homes? Have you found it difficult to … Read more ›

Dandelions are creeping up in lawns all over suburbia. (Sheryl DeVore/Tribune)

The lowly dandelion: It’s got some good points

Dandelions are cropping up in lawns all over suburbia and the city–and that’s got homeowners screaming as it usually does this time of year. Some … Read more ›

Cook County Forest Preserve wants to borrow $70 million

The Cook County Forest Preserve District moved ahead Wednesday with a plan to borrow up to $70 million to buy land and make repairs to … Read more ›

State park entrance fees: Illinois’ proposal for entry fees at state parks is seen as a sign of the times

At Starved Rock State Park, Wanda Boggs prepared sandwiches Tuesday on a vast lawn in front of the visitor center as two of her grandchildren … Read more ›