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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 ›

A bald eagle returns to the nest -- and his waiting mate -- with a large fish in his talons. The nesting pair and their brood have made their home in Tampier Slough Woods forest preserve in Cook County's Palos Township.

Bald eagle family lures bird-watchers to Cook County forest preserve

On a small stretch of road in southwest suburban Palos Township, a steady stream of birders and nature lovers clambered on the rocky terrain last … 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 ›

A female American Bald Eagle was spotted incubating eggs recently in a Cottonwood tree in Palos Township on land owned by the Forest Preserve District of Cook County. (Forest Preserve District of Cook County / April 16, 2012)

Bald Eagles spotted in Palos Township forest preserve

A female American Bald Eagle has been spotted incubating eggs in a nest in a Cook County forest preserve in Palos Township and officials believe … Read more ›

White clover, a common edible weed in Illinois, is likely the species that sometimes produces four leaves, giving it the name four-leaf clover and supposedly giving the finder good luck. Tribune file photo

Four-leaf clover: Rare variation of a common, edible weed (and may be good luck)

That sometimes pesky white clover creeping into your grass in spring is the same plant that supposedly brings luck to those who find it in … Read more ›

Controlled fires at the Orland Grassland site could continue through March. (Jeff Vorva/Tribune)

Grassland fires could last into March

Controlled fires have been visible most of the month at the Orland Grassland area located at 167th Avenue, LaGrange Road, 179th Street and 104th Avenue. … Read more ›

Mike Iaconelli with two big tournament bass.   Photo by BASS and Rob Russow
From the community

Is it Ike’s turn?

After a year of fishing in a variety of tournaments across the nation, 49 of the best anglers will finally compete in the 2012 Bassmaster … Read more ›

Joan Sayre took this photo of a great horned owl in her Libertyville back yard. The adult owls raised two young, which she saw in early June two years ago.

Hooting great horned owls celebrate Valentine’s Day

Beneath a full moon on a cold, winter’s evening, the pair begins its courtship duet. Hoo hoo hoooo hooo hoo, he bellows atop a walnut … Read more ›

We could see northern lights tonight, thanks to solar flare

For the second time in just three months, people in the Chicago area have a shot at seeing the northern lights this evening. That’s because … Read more ›