This Cactus Only Opens Its Petals One Night a Year Epic Animal Migrations, Smithsonian Channel

For the female lesser longnosed bats in the Pinacate Desert, food is scarce. One possible source of nutrients: pollen from the saguaro cactus, whose milkwhite petals open up only one night a year. From Epic Animal Migrations: , EpicAnimalMigrations, SmithsonianChannel Subscribe to The Smithsonian Channel: Twitter: Instagram: Facebook: