The Miller Peak Wilderness Area, where owls nest in the trees above Tombstone's pipeline, was hit particularly hard.

CNN: Spotted owl could be game-changer in Tombstone water war

For the barn owls, cameras were set up in a nest box on an oak tree which fed pictures back to the wooden hide.

BBC: Framlingham wildlife filmmaking twins Paul and Ryan

At some of the sites, wide margins of rough grass have been created near nest box sites to ensure the owls have enough voles to feed on.

BBC: Barn owl at a farm

The project will also involve local schools, where pupils will learn more about barn owls and will also be involved in building the nest boxes.

BBC: Barn owl at a farm