Woodpeckers normally excavate a brand new gap each year, leaving the old hole for other cavity-nesting birds. Cactus spines deter animals from climbing the cactus. Apparently, nonetheless, they don’t discourage snakes. I’ve seen shots of a gopher snake climbing a saguaro to prey around the dwellers inside of a hole. https://jarednahpx.widblog.com/89848396/rumored-buzz-on-saguaro-cactus-plant-for-sale