"The largest pet rescue & sanctuary charity in the U.S. D.E.L.T.A. Rescue (Dedication and Everlasting Love to Animals) is the largest “No Kill, Care-for-Life,” Sanctuary of its kind in the world. The D.E.L.T.A. Rescue Super Sanctuary is home to more than 1500 animals that have all been abandoned in the wilderness. Founded by Leo Grillo in 1979, D.E.L.T.A. Rescue located in the high desert area of Los Angeles, this 115-acre mountain top ranch is surrounded by rolling hills and is beautifully landscaped. It is truly a haven for the animals lucky enough to have crossed paths with its founder. D.E.L.T.A. Rescue incorporated as a non-profit animal rescue organization in 1981 and that same year became a tax-exempt 501 [c] 3 organization. "