Question

______ bird lays its eggs in crow's nest and crow hatches them along with its own eggs.

• A. Tailor bird
• B. Indian Robin
• C. Dove
• D. Koel

Answer 1

The correct option is (D):

Explanation of the correct option:

1. ​Koel is the bird that does not prepare its own nest and lays eggs in the crow's nest.
   
2. Crow hatches them with its own eggs as the eggs look similar.
   

Explanation of the incorrect options:

Option (A):

1. Indian robin produces its own nest using grass, rootlets and rubbish from the area.
   

Option (B):

1. ​Doves generally form their nest in buildings with the help of grass weed and also twigs.
   

Option (C):

1. Tailor bird is the famous for the nest it prepares for itself where it lays its eggs.
   

Final Answer: Koel bird lays its eggs in crow's nest and crow hatches them along with its own eggs.