Which of the following is a wingless bird?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Kiwi
The kiwi of New Zealand is a flightless bird whose wings are vestigial: only about 3 cm long and hidden under its hair-like feathers. Because no wings can be seen, it is called the wingless bird.
Why the other options are incorrect
Option (1) Ostrich — Incorrect. It cannot fly either, but it has large wings, used for balance while running and for display.
Option (3) Cuckoo — Incorrect. It is a flying bird, known for laying its eggs in other birds' nests.
Option (4) Sparrow — Incorrect. It is a small flying bird of gardens and houses.