Q. Which of the following is / are flightless birds?

1. Ostrich
2. Emu
3. Penguins
4. Great Nicobar Crake

Select the correct answer from the codes given below:
Answer: 1, 2, 3 & 4
Notes: Ostriches, native to Africa, are flightless birds with the largest eggs among land animals. their egg shells have been found in Madhya Pradesh and Rajasthan, indicating their presence in India 25,000 years ago. The emu, the second largest bird, is a cultural symbol of Australia, featured on the coat of arms and coins. Penguins are primarily aquatic and flightless, residing mainly in the Southern Hemisphere, with the Galapagos penguin as the only exception in the Northern Hemisphere. The Great Nicobar Crake, a flightless bird with red plumage, inhabits the Great Nicobar Biosphere Reserve near water bodies.