Melbourne Zoo's cutest new attraction - the three-week-old Pygmy Hippo named Obi - has taken his first swim with mum.
He might be young, but he's not that little - keepers say he is a fast grower.
From his birth weight of around five kilos, Obi has put on roughly 500 grams a day and now weighs over 13 kilos.
"Mum Petre has been an excellent and attentive mother, helping him with his swimming and ensuring he never strays too far," Melbourne Zoo staff wrote in a press release.
"He has been leaning to swim in the nursery yard pool and passed with flying colours."
Wild Sea Manager, Justin Valentine said Obi "loves the water and spends hours in the small pool, so he is ready for the next step."
The 3-week old calf has been named Obi by zoo keepers. The name means 'heart' in Igob, a Nigerian language.
Pygmy Hippos are classified as endangered in the wild, however, due to their dense rainforest habitat their exact population size is unknown.
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