El Caballo Blanco trace back to Bodeguero and those first mares. El Caballo Resort was established in 1974 at Wooroloo and their dancing horses were a popular tourist attraction. Williams established the El Caballo Blanco theme park at Catherine Field near the Sydney suburb of Narellan. Its main attraction was its Andalusian dancing stallions, but the park also featured miniature Fallabella horses, and a number of non-equestrian related amusements such as water slides, train rides, and a small wildlife zoo. Williams then went on to establish an El Caballo Blanco park at Disneyland in the US. After Williams' death in the US, the
International Society for Animal Rights Ms. Tischler names as "the first animal rights lawyer" in the United States ISAR's long-time chairman, Henry Mark Holzer, professor emeritus at Brooklyn Law School. Ms. Tischler credits Professor Holzer with three accomplishments crucial to establishing the field of what today is known as animal rights law. With the support of ISAR, (1) Bringing the first federal and first state lawsuit to invoke explicitly the moral concept of animal rights; (2) Having founded the Animal Rights Law Reporter, which became "the legal clearinghouse for animal rights law information"; and, (3) Organizing the First National Conference on Animal Rights Law"—an undertaking,