Sherman the screaming hairy armadillo pup being fed a custom infant formula Roshan Patel/Smithsonian’s National Zoo/Conservation Biology Institute
Orca milk smells dizzyingly fishy. Seal milk has a rich orange hue. Reindeer milk, perhaps fittingly, is as thick as eggnog. Not that I am tempted to try it, or any of the other unusual milks I can see stacked on shelves from floor to ceiling. I have donned a puffy winter jacket and stepped inside the freezer that houses the largest collection of animal milk in the world, containing that of everything from tree shrews to two-toed sloths and giant…