1.   Bhushan can no longer rely on migratory birds to control pests, because the birds no longer come.

2.   Classical conditioning principles suggest, what is indeed the case, that the bird will come to peck at the lit key.

3.   She watched, fascinated, as the bird came closer until she could almost touch it.

4.   The birds came to eat the wheat.

5.   Then the dipper birds would come wheeling over the dunes, skimming the foam, light as dry leaves.

6.   Some seed fell along the footpath, and the birds came and ate it up.

7.   During the breeding season the birds come ashore.

8.   Everyday the little bird came to the window and the lady put out food.

9.   And do the birds always come back?