Armoured crickets have a bizarre and striking way to avoid being eaten.
To become unpalatable, the insects squirt toxic blood out of gaps in their body and make themselves sick by throwing up food they've just eaten.
A few insect species including beetles and katydids actively bleed when attacked, but the benefits of taking such extreme measures were not clear.
Now scientists have shown the tactic really does work to deter predators such as lizards.
link: BBC - Earth News - Insect defence all blood and guts
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