Hip hippo hooray! Winnie the pygmy hippo is one today

Winnie will be celebrating her birthday with a special vegetable cake Credit: ITV News

Bristol Zoo is celebrating the first birthday of one of its pygmy hippos.

Winnie weighed just six kilograms when she was just a few weeks old, but she's grown to just over 80 kilograms.

Keepers will be treating her to a special vegetable birthday cake.

Winnie may be a big girl but she's dwarfed by her mum Sirana Credit: ITV News