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(Courtesy of Peggy Macnamara)

‘The Peregrine Returns’ is not just a story of recovery, but adaptability, exploring how the cliff-dwelling bird has made a home in an urban environment.

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(Courtesy of Lincoln Park Zoo)

For the first time in two years, Lincoln Park Zoo welcomed the birth of piglets. Visitors can see the seven baby pigs, along with their mother, at the Farm-in-the-Zoo exhibit.

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Americans use an estimated 500 million straws each day, but a Shedd Aquarium initiative is trying to put a dent in that figure. Last week, nearly two dozen restaurants joined the effort.

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On a horse farm north of Chicago, a European tradition combines artistry and athletic prowess. We meet some of the star athletes–and the ponies that will someday take their place.

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(Courtesy of Brookfield Zoo)

Customized activity monitoring devices are helping Brookfield Zoo staff study sleeping patterns and other behaviors in giraffes. 

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If you want to know what Chicago looked like 200 years ago, head to the city’s southeast corner, where native wetlands, forests and prairies all come together.

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Vacant city lots are often dismissed as derelict urban eyesores, but now some environmentalists are viewing these empty spaces as ecological opportunities. 

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Shedd Aquarium's Animal Response Team has been assisting with the rehabilitation of an orphaned sea otter pup in Seward, Alaska. (©Shedd Aquarium / Brenna Hernandez)

On a mission from Chicago, two Shedd Aquarium staffers have been providing around-the-clock care for a sea otter pup rescued in Alaska. 

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(Courtesy of Shedd Aquarium)

Visitors to Shedd Aquarium’s seasonal exhibit can dip their hands into a pool and discover the texture of this unique sea creature. 

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An okapi calf was born May 16 at Brookfield Zoo. (Chicago Zoological Society)

The striped “forest giraffe” is the 28th okapi to be born at the suburban zoo since 1959, when it became the first zoo in North America to have a birth of the species.

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A warbling vireo photographed at Montrose Point Bird Sanctuary by Rob Curtis.

Here’s something that might surprise you: The best place in the entire state of Illinois to see birds during their spring migration is in the city of Chicago. 

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For the first time, Brookfield Zoo is exhibiting a pangolin, a rare animal native to Africa and Asia. (Courtesy of Chicago Zoological Society)

For the first time, Brookfield Zoo is exhibiting a pangolin, a rare animal native to Africa and Asia.

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Coyotes have made a remarkable comeback in Chicago. What are the secrets to their survival in a dense metropolis? Marcus Krahnforst hunts for clues with noted biologist Stan Gehrt in this “Urban Nature” episode.

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(© Shedd Aquarium / Brenna Hernandez)

Starting July 1, visitors to the Shedd can experience nearly all the aquarium has to offer for one price. And for Chicago residents, this means potential savings of nearly 50 percent.

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The backyard chicken trend gets a leg up with the prospect of temporary ownership – and farm-fresh eggs.

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A scientist holds a bioprosthetic mouse ovary made of gelatin with tweezers. Inset: A mouse that was born from the bioprosthetic ovary lays next to its mother mouse. (Credit: Northwestern University)

Infertile mice with 3-D printed ovaries were able to give birth to healthy pups, according to a new study from Northwestern University.