Survival of the weirdest
Survival at any cost: 10 absurd yet genius ways animals outsmart nature
Published on June 9, 2025
Credit: Caz Hayek
Nature is full of surprises, and some creatures have developed downright strange ways to survive. From self-amputating lizards to rejuvenating jellyfish, evolution has produced some of the weirdest adaptations in the animal kingdom. Here are 10 of the strangest skills that help animals navigate the harsh realities of their environments.
Stronger than grizzlies
Credit: Vladyslav Cherkasenko
Tardigrades, also known as water bears, can survive extreme radiation, boiling heat, and the vacuum of space. These microscopic animals achieve this by entering cryptobiosis —a state where they lose almost all water in their bodies, effectively pausing their metabolism until conditions improve.
Living batteries
Credit: Amos
Electric eels generate up to 600 volts to stun prey and deter threats. Their bodies contain thousands of specialized cells called electrocytes, which act like tiny batteries that discharge simultaneously, producing a powerful shock. This adaptation makes them one of nature’s most shocking hunters, capable of incapacitating fish with a single jolt.
Kamikaze ants
Credit: Shannon Potter
Colobopsis explodens, a species of tree-dwelling ant in Southeast Asia, has a unique defense mechanism. When threatened, worker ants rupture their own bodies, releasing a toxic, sticky substance that immobilizes enemies. This suicidal defense strategy ensures the survival of the colony, and is particularly useful against predators like other insects that invade their nests.
Self-amputating lizards
Credit: Jelle Taman
Autotomy, or self-amputation, is a survival tactic used by many lizards, including geckos and skinks. When grabbed by a predator, they can shed their tails, which continue twitching to distract the attacker while the lizard flees. Other lizard species can even push their spiky, venomous ribs through their skin to defend themselves.
Underwater guns
Credit: David Clode
Archerfish shoot jets of water at insects to knock them into the water for an easy meal. They even adjust their aim for light refraction, a skill requiring precise calculations that rival human marksmanship.
Fountain of youth
Credit: Tim Zänkert
Turritopsis dohrnii, known as the "immortal jellyfish," has a remarkable ability to escape death. Instead of dying after reaching adulthood, it can transform back into its polyp stage and start its life cycle all over again. This process, called transdifferentiation, allows it to potentially live forever unless eaten or killed by external factors.
Insect artillery
Credit: Andre Mouton
The Bombardier beetle is known for its unique defense strategy. When threatened, it sprays boiling-hot chemicals from its abdomen to deter predators. The reaction inside its body reaches near-water-boiling temperatures, releasing a toxic burst in rapid-fire sequences.
Air-breathing fish
Credit: Naja Bertolt Jensen
Lungfish can survive for months, even years, without water by burrowing into mud and breathing air. This species secretes a thin layer of mucus that dries into a cocoon, allowing it to live out of water for up to a year. It then breathes through its lungs until the rains return and refill its waterway.
Sunscreen factory
Credit: Gene Taylor
Hippopotamuses produce their own sunscreen. Unlike most mammals, hippos secrete a thick, reddish fluid that acts both as a sunscreen and as an antibiotic. This secretion, often called "blood sweat," protects their skin from the harsh African sun and helps prevent infections.
Transparent frog skin
Credit: Zdeněk Macháček
Glass frogs, found in Central and South America, have translucent skin that makes their internal organs visible. This adaptation helps them blend into their surroundings by breaking up their outline, making them harder to detect in moonlight or shadowy forests.