Dedication & Everlasting Love to Animals, also known as D.E.L.T.A. Rescue is the largest “No Kill, Care-for-Life,” Sanctuary of its kind in the world. Founded by Leo Grillo in 1979, D.E.L.T.A. Rescue incorporated as a non-profit animal rescue organization in 1982 and that same year became a tax-exempt 501 [c] 3 organization. The D.E.L.T.A. Rescue SuperSanctuary is home to more than 1500 animals that have all been abandoned in the wilderness.