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(Courtesy Lincoln Park Zoo)

A groundbreaking program to study urban wildlife using a network of motion-triggered cameras is expanding to Canada and South Africa. 

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(Anne Brooke / U.S. Fish and Wildlife Service)

As part of a relatively new Lincoln Park Zoo project, guano from bats across the Chicago area is collected and tested for levels of cortisol, an indicator of stress. 

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(Jillian Braun / Lincoln Park Zoo)

When it comes to picking a place to live, many Chicago-area mice tend to be city dwellers rather than suburbanites, according to initial results from an ongoing study by Lincoln Park Zoo.

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(Chris Bijalba / Lincoln Park Zoo)

A new zoo resident born in downstate Peoria stands about 9 feet tall. Guests can see the 2-year-old giraffe Finely at the zoo’s Regenstein African Journey exhibit.

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(Courtesy Chicago Park District and Chicago History Museum)

“From Swans to Science: 150 Years of Lincoln Park Zoo” takes visitors on a journey through the zoo’s 150-year history, which started with a gift of four swans in 1868.

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(Tanya Martinez / Puerto Rico Department of Natural and Environmental Resources)

One of the world’s most endangered birds finds itself in even greater peril after a hurricane ripped through its habitat last year. But you can help – by drinking beer. 

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An African penguin chick hatched Feb. 10 at Lincoln Park Zoo, pictured here at 21 days old. (Courtesy Lincoln Park Zoo)

On Feb. 10, Lincoln Park Zoo welcomed a new baby bird, the first African penguin chick hatched and reared at the zoo's new penguin habitat. 

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(Urban Wildlife Institute / Chicago Park District)

A camera set up near Rosehill Cemetery captured an unusual photo of a flying squirrel last fall, but the image was only recently discovered.

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Lincoln Park Zoo recently welcomed Talini, a 14-year-old female polar bear who lived previously at the Detroit Zoo. (Roy Lewis / Detroit Zoo)

The 14-year-old female polar bear who recently arrived in Chicago is expected to mate with 8-year-old Siku, who has lived at the zoo since 2016. 

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Ivory seized Feb. 2 from poachers convicted of killing 11 elephants in and around Nouabale-Ndoki National Park in the Republic of Congo. (Z. Labuschagne / Wildlife Conservation Society)

How local scientists played a key role in the arrest of three well-known elephant poachers in the Republic of Congo. 

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A paternity test revealed that Miyagi, one of three male Japanese macaques at Lincoln Park Zoo, is the sire of all four Japanese macaques born at the zoo since 2014. (Todd Rosenberg / Lincoln Park Zoo)

A paternity test to determine the sire of four Japanese macaques born since 2014 at Lincoln Park Zoo came back with a surprising result. 

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(Julia Fuller / Lincoln Park Zoo)

You’ll need to look closely to spot Lincoln Park Zoo’s new baby monkey. The infant, born Oct. 15 to first-time parents, is barely visible as it clings to its mother’s neck.

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(Jill Wagner / Lincoln Park Zoo)

Did you know it’s International Sloth Day? We check in with one of Lincoln Park Zoo’s experts to learn about these furry, slow-moving animals. 

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Lincoln Park Zoo's upcoming Sea Explorer 5-D lets visitors "dive" into the ocean in a virtual submarine. (Courtesy Attraktion!)

A new experience coming this fall to Lincoln Park Zoo will allow visitors “dive” into the ocean and explore landscapes and wildlife at the North and South Poles or in deep ocean waters. 

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Black-crowned night herons average about 2 feet in length and weigh nearly 2 pounds. (Courtesy Lincoln Park Zoo)

The black-crowned night heron is one of the rarest birds in Illinois. Lincoln Park Zoo now hosts a colony of more than 600 herons, but things have getting a bit crowded. 

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(Courtesy Lincoln Park Zoo)

It looks like an art project, but a seven-floor structure at Lincoln Park Zoo is outfitted with logs, bricks, sticks and other materials to provide cozy spaces for insects to nest.

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