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(Shedd Aquarium)

Shedd Aquarium’s dolphin calf Kukdlaa celebrated his first birthday with positive results from a physical checkup. And with cake, of course.

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(Jim Schulz / Chicago Zoological Society)

Just in time for Easter, a reindeer named Bunny gives birth to a male fawn – the first reindeer born at Brookfield Zoo since 1980. 

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Life model of the new species Teleocrater rhadinus, a close relative of dinosaurs, preying upona juvenile cynodont, a distant relative of mammals. (Museo Argentino de Ciencias Naturales)

A Field Museum researcher is among a global group of scientists who have discovered an early dinosaur that reshapes our understanding of dinosaurs’ evolution. 

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(Plastic Pollution Coalition)

With an eye toward Earth Day, Shedd Aquarium has launched a campaign encouraging people to switch from single-use plastic straws to reusable or biodegradable alternatives.

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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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ReptileFest is back! We welcome some scaly, slinky and slithery friends to our set. 

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Dominick Gavel (Courtesy of Cavalia)

A big show is brewing under the big top, with a cast and crew of more than 200 – plus 65 horses. We go behind the scenes of “Odysseo.” 

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First-time mother Katrl gave birth to a dolphin calf in April 2016. (© Shedd Aquarium / Brenna Hernandez)

What is it like to touch and work with dolphins? One Shedd trainer said they feel firm, smooth and a little colder than you might expect, according to the aquarium’s dolphin fact list.

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(Brookfield Zoo / Chicago Zoological Society)

The ethical debate over zoos – and whether animals belong in them – has resurfaced over the past year, and now Brookfield Zoo is joining the discussion.

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A group of coyotes captured by a motion-detected camera in Chicago. (Courtesy of Lincoln Park Zoo)

Since 2010, the zoo’s Urban Wildlife Institute has used motion-detecting cameras and acoustic monitoring equipment to record and document animals roaming through the city.

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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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(iStock.com)

A state senator has proposed legislation that would partially ban the use of lead-based ammunition, but one gun rights group is calling the bill “a blatant attack” on the rights of hunters.

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Western pond turtle (Courtesy of Yosemite National Park)

The tale of the Western pond turtle was one of several success stories shared with donors Monday evening at a Shedd Aquarium event focused on conservation efforts nationwide. 

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A new WTTW web series peeks into pockets of nature in cities across the country.

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(© Shedd Aquarium / Sam Cejtin)

Shedd Aquarium researchers are studying queen conch populations in the Bahamas to understand the decline of the popular snail in the Caribbean. 

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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.