Now in its seventh year, it's the largest study of urban wildlife and has amassed 1 million photos.
The Rusty Patched Bumble Bee is first bee in America to be protected under Endangered Species Act.
It was a black-and-white Christmas at the zoo with the birth of a new colobus monkey.
"Chicago Pigeon Society" is one of at least 3 Facebook pages providing pics and more of city's pigeons.
The Peggy Notebaert Nature Museum will celebrate its origins as the Chicago Academy of Sciences.
Foster, the Bernese mountain dog mix, will represent a Chicago shelter during the Puppy Bowl.
The young cats—now named Frosty, Icy and Elmo—stuck it out in the cold together until they were rescued.
When first settlers arrived in Chicago, they brought domesticated pigeons with them as a food source.
Allen Brown is suing Marriott, saying he was painfully attacked by bed bugs in two different rooms.
The Wiener's Circle also found new ways to draw attention, while DePaul went in the opposite direction.
Here's a warning to dog walkers on the South Side.
The Critical Animal Relief Foundation is seeking donations for the cat's eye medical care.
Bald eagles, both adults and a juvenile, are hanging out on Chicago's South Side.
The puppy is visiting for two weeks and will get a full year of training to become a true therapy dog.
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