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CAMDEN, N.J. (CBS) – It’s Genny the Hippo’s birthday!

Genny turns 18 on Friday and you can celebrate with her this weekend at Adventure Aquarium in Camden.

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Guests can sign a hippopotamus-sized birthday card, and enjoy hippo-themed party games all weekend-long.

You can also enjoy the aquarium’s Penguin Park and Shark Bridge while you’re there.