For someone who speaks absolutely no Spanish it may be fairly difficult. However, it depends on how courageous and willing they are to be out of their element. My host family spoke absolutely no English. I lucked out and for the first half of my time I spent with my host family there was another person doing the same program. She was fluent in Spanish and would translate everything for me. For the...
Hi, great question! You don't need any prior knowledge about animal care. Just yourself and enthusiasm about making a difference :)