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(© Joanne Fraser)

Just in time for “Shark Week,” researchers published a study this month that highlights the unique recovery capabilities of sharks.

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(©Shedd Aquarium / Brenna Hernandez)

Stella the Seahorse is the first of 19 marine animal sculptures made from plastic debris on display at Shedd Aquarium. 

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Aje, a 2-year-old male penguin at Lincoln Park Zoo. (Todd Rosenberg / Lincoln Park Zoo)

For the first time, Lincoln Park Zoo is offering visitors a chance to get up close and personal with their African penguins. We meet three waddling, webbed-feet bachelors.

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(Jim Schulz / Chicago Zoological Society)

After spending their first weeks learning to swim and bonding with their mothers, Lucy and Taylor make their public debut.

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(Lincoln Park Zoo)

Lincoln Park Zoo recently launched a web series to chronicle the latest crushes, power struggles and other dramatic twists and turns surrounding the lives of its 15 African penguins.

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(Lincoln Park Zoo)

Visitors can expect snow flurries on their next trip to the zoo, even in the middle of summer. Four snowy owl chicks hatched last month are already flapping their wings and will soon attempt to fly. 

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(Courtesy of Lincoln Park Zoo)

Four webbed-feet members of a rare and endangered duck species have a new home in Chicago.

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(Wisconsin Department of Natural Resources / Dan Nedrelo)

Life as an amphibian is no easy hop through the woods. Why Chicago scientists are measuring levels of cortisol (the stress hormone) in Lake County frogs.

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Ramar, a 49-year-old western lowland gorilla, is the oldest animal at Brookfield Zoo. (Courtesy of Chicago Zoological Society)

Like many humans approaching their elder years, a 49-year-old western lowland gorilla named Ramar has been dealing with knee pain.

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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.