Question:easy

The largest living flightless bird is

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It comes from Africa, runs at about 70 km per hour and lays the biggest egg of any living bird.
Updated On: Jul 17, 2026
  • Emu
  • Kiwi
  • Ostrich
  • Penguin
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The Correct Option is C

Solution and Explanation

Every bird named here has lost the power of flight. The tie breaker is sheer size, so line them up by height and weight.

  1. Emu: Native to Australia, the emu stands roughly 1.6 to 1.9 m and weighs 30 to 55 kg. That makes it the second biggest bird alive, but second is not first.
  2. Kiwi: New Zealand's kiwi is a small, shy, night feeding bird about the size of a hen at 2 to 3 kg. It is famous for laying a huge egg for its body size, not for being big itself.
  3. Ostrich: The African ostrich reaches 2.1 to 2.7 m in height and 100 to 150 kg in weight, far ahead of anything else on the list. It also lays the biggest egg of any living bird and can sprint at about 70 km per hour on its two toed legs.
  4. Penguin: Penguins swim rather than fly. The emperor penguin, the largest of the family, tops out near 1.2 m and about 40 kg, so it is well short of the ostrich.

The ostrich wins on both height and weight, so option (C) is correct.

Let's summarize:

  • Ostrich: up to about 2.7 m and 150 kg, the largest bird alive today.
  • Order of size among the options: ostrich, then emu, then emperor penguin, then kiwi.

So the answer is the ostrich.

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