Why Mrs. Bird asked Mr. Bird to leave nest house?

Children's story book 'The Best Nest' written by P.D. Eastman which consists of 72 pages.

The Best Nest

Once there lived two adorable birds in their nest house, named Mr. Bird and Mrs. Bird. One day in a beautiful morning, Mr. Bird was in a happy mood, amused by looking at his nest house started singing a song. Standing over his nest house, Mr. Bird loudly sang in melodious way. Mrs. Bird didn't liked his admiration of nest house so she urged Mr. Bird to migrate to some new place. Mrs. Bird who was fed up with the same environment so she along with Mr. Bird left old nest house and flew over, looking for better place to stay looked for searching best nest house. 

Aforementioned was just the brief overview from children's Bird book, so readers at Readers Blog! If you want to read till end, then grab copy of this book. 'The Best Nest' may be bought from any click and mortar store, available in hardcover, paperback and Kindle.