This rare albino gray kangaroo lives at the Columbus Zoo and Aquarium.
Photograph by Joël Sartore, National Geographic Photo Ark
An albino North American porcupine at the Nebraska Wildlife Rehab, Inc. shows its quills.
Photograph by Joël Sartore, National Geographic Photo Ark
Mammals aren't the only animals that can be albinos. This albino green frog resides at the National Aquarium in Baltimore.
Photograph by Joël Sartore, National Geographic Photo Ark
Abinism is caused when a creature inherits mutated genes from both parents that interfere with the production of melanin. An albino common kingsnake or Eastern kingsnake at the Tennessee Aquarium.
Photograph by Joël Sartore, National Geographic Photo Ark