
Smooth-coated otter pups are seen near the Singapore River in Singapore on May 19, 2024. World Otter Day is celebrated on the last Wednesday of May, which falls on May 29 this year.(Photo: Xinhua)

Smooth-coated otter pups learn to swim in a pond next to Singapore's Marina Bay Financial Center on May 12, 2024. World Otter Day is celebrated on the last Wednesday of May, which falls on May 29 this year.(Photo: Xinhua)

Smooth-coated otters are seen in Singapore's Marina Bay Promenade on May 9, 2024. World Otter Day is celebrated on the last Wednesday of May, which falls on May 29 this year.(Photo: Xinhua)

Smooth-coated otters are seen in Singapore's Marina Bay Promenade on May 9, 2024. World Otter Day is celebrated on the last Wednesday of May, which falls on May 29 this year.(Photo: Xinhua)