Theory:

     “Welcome, Sir,” he said to the king. “Please come inside and make yourself at home. You look tired. Rest for a while. Then you can share my food.”
 
     The king told the rishi the story of the two birds and how each had behaved so differently though they looked so alike. “The forest is full of surprises,'' he said.  
Explanation:

The Rishi greeted the king and requested him to come inside and relax. He also provided to share his food.

The king described the different etiquettes of the two birds who looked the same. He added that the forest was full of surprises.
 
Meanings of difficult words:
  
Numbers
Word
Meanings
1.
AlikeSimilar, identical.
2.
Differently Diversely.
Reference:
National Council of Educational Research and Training (2006). A Pact With The Sun. A Tale of Two Birds (pp. 01-03). Published at the Publication Division by the Secretary, National Council of Educational Research and Training, Sri Aurobindo Marg, New Delhi.