A really nice zoo as long as you're not expecting the San Diego Zoo experience. But hey, for $16 (half that if you're a member at a reciprocal institution) you get more than what you might expect. We're from out of town and I was pleasantly surprised at the size and layout of the park and the quality of the exhibits. We didn't get to everything but our kids enjoyed running around and seeing all the animals. The Giraffe Encounter was well worth the $3.
Watching the mandrills pick insects off each other's butts to eat was itself worth four stars.