Everyone loves Halloween, including the hippos at the Cincinnati Zoo, because they get to chomp down on delicious pumpkins.
This is one of the better entries in the hippo-pumpkin genre. Below are a few more:
https://www.youtube.com/watch?v=tlofNRa3U1Y
Even the friendly manatee loves a Halloween treat:
• Hippos (Fiona) and Elephants get Pumpkins to Kickoff HallZooween (YouTube / The Cincinnati Zoo & Botanical Garden)