här bloggar julia.

"The hippopotamus, nicknamed Owen and weighing about 300 kilograms (650 pounds), was swept down Sabaki River into the Indian Ocean, then forced back to shore when tsunami waves struck the Kenyan coast on December 26, before wildlife rangers rescued him.

After it was swept and lost its mother, the hippo was traumatized. It had to look for something to be a surrogate mother. Fortunately , it landed on the tortoise and established a strong bond. They swim, eat and sleep together," the ecologist added. "The hippo follows the tortoise exactly the way it follows its mother. If somebody approaches the tortoise, the hippo becomes aggressive, as if protecting its biological mother."

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