He could hear birds to the west and the wind rustling the trees.

They could hear birds outside and from within the house the footsteps of busy servants.

That being said, one morning on the final day of school, my son heard birds calling outside our dining room window.

Maybe I'd heard only wind and birds in the eaves.

She heard birds calling, and a child shouted, somewhere far away.

She could hear birds chirping, but didn't see many of them yet.

He breathed deeply of the air; heard birds calling behind him.

You can still hear birds and insects farther back in the trees.

The next morning, Anne opens her eyes, and hears birds outside.

His office window was pushed open as far as it would go, and he heard birds outside.