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How a dolphin saved the day

Moko
The playful dolphin named Moko jumps out
of the ocean and over a swimmer.
M
oko, a bottlenose dolphin, was well known at New Zealand’s Mahia Beach as a friendly dolphin that would greet boaters and push kayaks with her snout. Now, she’s a hometown hero! That is because Moko recently saved the lives of two pygmy sperm whales.

The two whales—a mother and her calf—had become stranded on a sandbar near a beach in New Zealand. New Zealand is an island country in the Pacific Ocean southeast of Australia. The sandbar was blocking the way to deeper ocean water. People on the beach had tried to guide the whales out to sea, but the whales would not follow.

“The whales kept getting disoriented and stranded again,” says Malcolm Smith, a rescuer from the New Zealand Conservation Department. His team had tried to help the whales. They even pushed the whales out to sea, but the whales would not move from shore. They were in distress, said Smith.


Dolphin Fun Facts!
  • Dolphins, whales, and porpoises are all members of a group of animals called cetaceans.
  • A bottlenose dolphin is able to beach itself to catch its prey and then move itself back into the water.
  • Some scientists consider dolphins the second-smartest animals in the world. Apes are considered the smartest.
  • A dolphin’s skin feels rubbery. Its smooth, slippery skin helps the dolphin quickly swim and slide through the water.
  • Dolphins have been known to help rescue swimmers. In 2004, dolphins surrounded a group of swimmers and circled them until a nearby shark left the area. In 2007, after a shark attacked a surfer, bottlenose dolphins arrived and circled the surfer. He was able to swim back to shore and survived the attack.
  • Then along came Moko. As she swam to the whales, the whales went underwater and followed her out to sea. Smith says he heard them making noises before they swam away.
    “It would appear that the dolphin recognized the distress calls of the … whales,” says Bridget Davies–Robertson, a senior director of the Whale and Dolphin Conservation Society of North America. “Since both [the bottlenose dolphin and the pygmy whale] are toothed whales, it is likely that they can hear each other, but to understand each other is another issue.”

    This may be the first reported case of a dolphin rescuing a stranded animal, she says. Dolphins are known for their ability to help others and also for their intelligence.

    “I know we are meant to remain scientific, but I actually went into the water with the dolphin and gave her a pat afterwards, because she really did save the day,” says Smith.



    Check out this video about Moko's rescue of a mother whale and her calf.

    Think About It
  • Scientists say that although dolphins can be friendly animals, people should be careful when approaching them in the water. Why might that be true?

  • Scientists are not sure why the dolphin was able to rescue the two stranded whales. Why do you think the whales followed the dolphin to safety?

  • Links
    • Listen to a marine biologist and play a game here.

    • Read about what you should do if you find a stranded whale or dolphin here.

    Can you solve our Dolphin jigsaw puzzle?


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