How do we deal with, you know, some of these other particular things, cardiovascular disease and gorillas and other great apes. But your problems are of a broader scope and, and involved in, in zoo management. And I think one of the, one of the challenges that we face is sustainability of the animal populations in zoos and making sure that we can reproduce our collections, maintain genetic diversity, and, and keep the animals that we do without going back to the wild and collecting things the way we did in the forties, fifties and sixties.