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Ink Ejection - Octopuses release a cloud of ink to obscure predators' view and aid in escape.

Electrogenesis - Capable of generating electric shocks to ward off or incapacitate predators.

Quills - Sharp quills cover their body, deterring predators through painful punctures.

Mimicry - The mimic octopus can imitate the appearance and movements of other sea animals.

Blood Squirt - When threatened, it can squirt blood out of its eyes to confuse predators.

Inflation - Pufferfish inflate their bodies to appear larger and more intimidating.

Chemical Spray - The beetle sprays a hot chemical substance from its abdomen at predators.

Camouflage - Cuttlefish can change their skin color and texture to blend in with surroundings.

Color Change - Chameleons can change their skin color to blend in with their surroundings or to communicate.

Chemical Spray - Skunks eject a foul-smelling spray from their anal glands to deter predators.

Agility and Speed - Mongooses use quick movements and agility to avoid snake bites and fight back.

Camouflage - Stick insects resemble twigs, making them nearly invisible among vegetation.

Playing Dead - Opossums can feign death to appear less appetizing to predators.

Venomous Spur - Male platypuses have spurs on their hind legs that can deliver a painful venom.

Armored Shell - Armadillos have a tough, bony shell that protects them from predators.

Evisceration - Sea cucumbers can expel their internal organs to distract predators.

Ink Ejection - Squids eject ink to create a smoke screen and obscure predators' view for escape.

Cryptic Behavior - Aye-ayes are nocturnal and use stealth and evasion to avoid detection by predators.

Sentinel Behavior - Meerkats take turns standing guard and warning the group of approaching threats.

Claw Waving - Male fiddler crabs wave their oversized claws to deter predators and attract mates.

Protective Scales - Pangolins curl up into a ball, using their tough scales as armor against predators.

Spines - They roll into a ball, with spines outward to protect against predators.

Camouflage and Spikes - Blends into desert environments and uses spike-covered body as protection.

Size and Strength - Elephants use their large size and strength to deter predators and protect the herd.

Chemical Defense - Contains toxins from their milkweed diet that makes them distasteful to predators.

Kick and Box - Kangaroos use their strong legs to deliver powerful kicks and box with their forepaws.

Venom and Hood - King cobras use venom to incapacitate predators and a hood to appear larger and more intimidating.

Feather Display - The peacock uses its large tail feathers to startle predators and appear larger.

Chemical Alarms - Ants release pheromones to alert others of danger and coordinate a defense.

Nematocysts - Jellyfish use stinging cells called nematocysts to incapacitate predators and prey.

Stotting - Gazelles jump high into the air to show predators they are healthy and not worth chasing.

Sting - Wasps defend themselves using a painful sting which can contain venom.

Silent Flight - Barn owls have feathers adapted for silent flight, which helps them avoid detection by predators.

Confusion Effect - The stripes of a zebra herd can confuse predators by making it hard to isolate a single target.

Venomous Harpoon - Cone snails use a venomous, harpoon-like tooth to defend themselves and capture prey.

Group Defense - Turkeys may group together and display in front of a predator to appear more threatening.

Sharp Spines - Sea urchins have long, sharp spines that can puncture and poison predators.

Swarming - Africanized honey bees aggressively swarm intruders and sting en masse to protect the hive.

Spitting - When threatened, camels can spit a foul-smelling fluid from their stomach to deter predators.

Aposematism - Coral snakes use bright coloration to warn predators of their potent venom as a defense.

Inflation - Similar to pufferfish, porcupinefish inflate and use spines for defense.

Spines - European hedgehogs protect themselves by rolling into a spiny ball when threatened.