A pair of Orcas or Killer Whales appeared near the Pelantar Dulang Petronas oil drilling platform, off Kerteh on Wednesday, 17 July 2019. It was a momentous happening for Malaysia as it was the first time the mammals were seen in Malaysia’s Terengganu waters.  To mark the rare occasion, Do Good rounds up 10 amazing facts about orcas (source: Discoverwildlife):

  1. They are not whales! Orcas actually belong to the dolphin family Delphinidae.
  2. In a high-speed chase, they will typically ram dolphins to stun them before going in for the kill.
  3. Orcas are very fast swimmers and have been recorded at speeds of up to 54km/h (33mph).
  4. They have no predators! Orcas are apex predators, which means they’re at the very top of the food chain.
  5. Orcas are highly intelligent predators. They work together in coordinated attacks to create waves that can knock prey off floating ice into the water.
  6. Do they attack humans? There have only been a single report of a wild orca attacking a human but behave very differently in captivity. An orca named Tilikum which was kept at SeaWorld for 25 years, killed three people on separate occasions.
  7. A group of orcas is known as a pod which usually consists of a mature female, her adult offspring, and her daughters’ offspring.
  8. They use echolocation to communicate and hunt.
  9. Orcas have very diverse diets. They feast on fish, penguins, and marine mammals such as seals, sea lions, and even whales.
  10. Mother orcas undergo a 17-month long pregnancy!
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