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(Chris Bijalba / Lincoln Park Zoo)

The zoo’s newest residents are being hand-reared by keepers, and scientists will analyze their genetics as part of an international species survival plan.

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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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(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 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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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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An update to our March story about bald eagles returning to Cook County.

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Dead birds collected by the Chicago Bird Collision Monitors were given to the Field Museum's Bird Division. (Josh Engel / The Field Museum)

For migrating birds, Chicago can be a dangerous place. But scientists, architects and volunteers are now teaming up to make the city a leader in bird-friendly design. The story is told in WTTW's online series “Urban Nature.”

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

Experts in Chicago are working to save one of the world’s most endangered birds. 

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In the early 1960s, bald eagles were nearly extinct in the lower 48 states. But government protections and conservation measures have had a huge impact on their numbers. “I think it’s an incredible success story,” said biologist Chris Anchor.

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Photographer Owen Deutsch

After 20 years in the fashion industry, Owen Deutsch wasn’t planning on getting back into photography. But then he discovered a new subject: birds.

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Pete Marra appears on Chicago Tonight with host Phil Ponce on Feb. 1.

Last month, ornithologist Pete Marra sat down with Chicago Tonight to discuss his book detailing outdoor cats’ impact on U.S. bird populations. It was an interview that stirred up emotions on all sides. 

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(Shedd Aquarium)

For the fifth year, members of Shedd Aquarium's Animal Response Team participated in a rescue mission of endangered penguin chicks in South Africa. Learn about their work.

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(Courtesy of the Field Museum)

A Smithsonian ornithologist says outdoor cats are devastating bird populations.

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A long-eared owl (Courtesy of Rob Curtis)

Why are there so many long-eared owls showing up in Chicago this winter? Bird watchers call it an “irruption.”

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Each year tens of thousands of volunteers participate in more than 2,000 Christmas Bird Counts throughout the Western Hemisphere. (Camilla Cerea / Audubon)

There are many Christmas traditions, but one that is especially beloved by people who love birds is the annual Christmas Bird Count. Learn more.