During the day, the red-eyed tree frog sleeps on the underside of a leaf with its colourful parts tucked away. With its eyes shut and its legs folded, all you can see is the green back - which is almost invisible against the leaf. It is hiding in plain sight.
If a hungry snake or bird comes too close and bumps the leaf, the frog suddenly snaps open its huge red eyes. The flash of red, plus the surprise of the blue stripes and orange toes appearing all at once, can shock the predator for a split second. That tiny moment is just enough for the frog to leap away.
Scientists call this trick 'startle colouration'. The frog isn't actually poisonous, but it pretends to be scary. Many animals in the rainforest survive by tricks: pretending to be scary, pretending to be a leaf, or pretending to be something else.
The red-eyed tree frog has special suction-cup toes that let it stick to leaves and branches even when it is sleeping. Mother frogs lay their eggs on leaves over a pond, and when the tadpoles hatch, they wriggle out and drop straight into the water below.