I'm not too sure but I think you can check on line it's way better if you're a member you get in free to the zoo as many times as you want a year. And the money you spend on the membership goes to a great cause.
They did last year for my parents when they signed up for a yearly membership.
If you live in a Fresno county zip code and can show it on your Id, you get a 10% discount on annual passes.
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