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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 ›

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 ›

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 ›

Jellies
From the community

Jellyfish

At the beginning of this year, my boyfriend and I decided to dedicate ourselves to living spontaneously and for the moment. Our first spontaneous act … Read more › 1 comment

A chorus frog is no larger than a thumb when fully grown. (Sheryl DeVore/Tribune)

Chorus frogs signal spring

It’s no bigger than your thumb, but its song can resonate across the marshes.  In fact, when a group of these amphibians called chorus frogs … 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 ›

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 ›