That's the question for the National Zoo and Aquarium in Canberra which on Saturday is celebrating the 19th birthday of one of its favourites, Hummer the giraffe.
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And everyone is invited to the party.
Hummer celebrated his birthday during the week, but celebrations will continue on Saturday at 11.30am when Hummer gets a special present from his keepers and a cake which might just contain at least a hint of lucerne and carrot.
Hummer is a long-time bachelor, never siring a baby, but has a new best friend in Skye the giraffe.
There will also be activities happening both at the zoo on the day as well as through social media.