Immune Tank
Reinforced cellular defenses and specialized blood proteins capable of neutralizing lethal neurotoxins and tissue damage.
Common Garter Snake
A North American snake, some of whose populations have evolved resistance to the toxin of the newts they eat.
Egyptian Mongoose
A snake-killer that dodges the strike on reflex and carries a receptor that resists one of the nerve toxins in cobra venom.
Honey Badger
A roughly 9 kg mustelid with loose skin, a muscle receptor that impedes snake toxin binding, and cobras among its prey.
Naked Mole-Rat
The nearly hairless, essentially cold-blooded tunnel digger that shrugs off acid and chili burns, survives 18 minutes with no oxygen at all, and outlives every other rodent on record.
Virginia Opossum
Fifty-toothed marsupial that fakes its own death through an involuntary catatonic collapse and is virtually immune to pit viper venom.