Charlie Harter, 5, of Belleville, climbs on the rock wall to get a better view of the goats inside the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Visitors walk through the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Louis Zoo, Thursday, Aug.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

A group of visitors from Dallas, Texas stop to take photos of the goats inside the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Yalem Children's Zoo, it was renamed the Emerson Children's Zoo in 1998.

Photo by Hillary Levin, hlevin@post-dispatch.com.

18, 2014, as Volunteer Docent Jane Habbegger cradles him during a visit to the Emerson Children's Zoo exhibit.

Louis Zoo's new preschool to visit the Emerson Children's Zoo exhibit on Tuesday, Nov.

Louis Zoo's new preschool from the Emerson Children's Zoo back to their classroom on Tuesday, Nov.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Visitors walk through the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com!

Louis Zoo, Thursday, Aug.

Photo by Hillary Levin, hlevin@post-dispatch.com.

A group of visitors from Dallas, Texas stop to take photos of the goats inside the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Yalem Children's Zoo, it was renamed the Emerson Children's Zoo in 1998.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Charlie Harter, 5, of Belleville, climbs on the rock wall to get a better view of the goats inside the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com.

One of the few last animal exhibits to see, the goats are on display inside the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Charlie Harter, 5, of Belleville, climbs on the rock wall to get a better view of the goats inside the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Visitors walk through the entrance to the Emerson Children's Zoo, at the St.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com.

Photo by Hillary Levin, hlevin@post-dispatch.com

A group of visitors from Dallas, Texas stop to take photos of the goats inside the entrance to the Emerson Children's Zoo, at the St

Photo by Hillary Levin, hlevin@post-dispatch.com

Yalem Children's Zoo, it was renamed the Emerson Children's Zoo in 1998

Photo by Hillary Levin, hlevin@post-dispatch.com

18, 2014, as Volunteer Docent Jane Habbegger cradles him during a visit to the Emerson Children's Zoo exhibit

Louis Zoo's new preschool to visit the Emerson Children's Zoo exhibit on Tuesday, Nov

Louis Zoo's new preschool from the Emerson Children's Zoo back to their classroom on Tuesday, Nov