But see, sis, the sweet little creatures

Have each a straw in his beak;

A lesson of duty to teach us,

As plainly as birds can speak.

We think they are only playing,

As they roam to and fro in the sky;

But these busy fellows are saying,

"’Tis not all for pleasure we fly.

"We’re building a snug little nest

In the crotch of the old elm-tree