Inside a greenhouse-like structure at the edge of the Fort Worth Zoo is a nursery for hundreds of horned lizards .

“They're very charismatic,” Fort Worth Zoo Assistant Director of Ectotherms Robyn Doege said. “I mean, they have that cute face... for a reptile.”

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For two decades, the Fort Worth Zoo, along with other zoo partners, TCU , and Texas Parks and Wildlife , has been working on a conservation program to bring back the threatened population of horned lizards.

“This used to be something so plentiful that even people here in downtown Fort Worth used to be able to see, but can't see anymore,” Doege said.

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In the last 20 years, the conservation project h

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