I thinking of bringing my 5 months old going to 6 months soon to the zoo. What must I be prepare for? Like using carrier or stroller? Diaper bag with everything that we need or just the essentials? Umbrella?

Bring diaper bag with everything you need usually on a day out with baby. Get mosquito patches and mini stroller fan. I would say bring both carrier and stroller. If baby is cranky, you can soothe her in a stroller to sleep. If she is asleep or awake, you can place her in the stroller to push arnd. I will usually go to the frozen tundra for the aircon to make my LO sleep