Buy a copy of the Proceedings of the California Burrowing Owl Symposium. Download a free .pdf of the paper - A simple artificial burrow design for burrowing owls, by John (Jack) H. Barclay, published in the Journal of Raptor Research, 2008, Volume 42(1):53-57. View a slideshow of our MAPS (monitoring avian productivity and survivorship) bird banding project at Ft. Hunter Liggett, Monterey County.