Why?

There was a tiny sparrow that when Rumbles of thunder storm, are lying on the floor and lifted his paws skyward.
-- Why do that? - asked a fox.
-- To protect the land, which contains many living things! - answered the sparrow. If unfortunately the sky fell suddenly, do you realize what would happen? So I raise my legs to sustain it
-- With your feet enclenques want to sustain the immense sky? "asked the fox.
Below-each has its sky-said-sparrow. Go ... you can not understand what ...