New Year's Eve at the Caldwells

During the New Year holiday, the zoo staff were taking turns off, and nobody expected tickets to be completely sold out on day one.

People online kept clamoring for more tickets, and fans even showed up outside the zoo from time to time, asking about extra tickets.

Harper was worried that some people might try to climb over the fences, so she beefed up security.

Now, Gunner was sporting a little b