A Prickly Pear cactus growing on a Saguaro cactus and a birds nest PHX,AZ

Having fun with a Biologist botanist and learning more about the Saguaro cactuses with Prickly Pear cactuses growing in the crevasses of an arm of a big cactus. Desert Botanical Gardens, Phoenix Arizona 4/12/23 mefoundation.world