Aposematic
High-contrast warning colors signaling toxic skin alkaloids, sharp spines, or foul tastes to predatory onlookers.
Fire Salamander
Black-and-yellow woodland amphibian whose glands behind the eyes secrete toxic alkaloids it can spray at attackers.
Golden Poison Frog
Considered the most poisonous animal in the world: a frog no larger than a bottle cap that produces enough nerve toxin at once to kill 10 people.
Harlequin Poison Frog
A rainforest frog just 2.5 to 3.8 centimetres long, painted like a warning label, its skin toxins collected straight from the ants, termites and beetles it eats.
Monarch Butterfly
A butterfly of about half a gram that wears milkweed poison as armor, and whose eastern migrants steer by the sun.
Seven-Spot Ladybird
The red beetle that bleeds poison from its leg joints.
Strawberry Poison-Dart Frog
A 2-gram rainforest frog in warning colors, whose poison appears to come from the ants and mites it eats.