A Wren had built its nest on the side of a road. When the eggs were hatched, a Camel passed that way. The little Wrens saw it and said to their father when he returned from the fields:  
"O papa, a gigantic animal passed by."
 
The Wren stretched out his foot. "As big as this, my children?"
 
"O papa, much bigger."
 
He stretched out his foot and his wing. "As big as this?"
 
"O papa, much bigger."
 
Finally he stretched out fully his feet and legs.
 
"As big as this then?"
 
"Much bigger.&............