article_snippet: Biologists have been baffled as to how male Iberian emerald lizards have evolved how male Iberian emerald lizards vivid blue and green colouring.
article_snippet: While the brightly coloured skin it useful for attracting a mate, it should also make how male Iberian emerald lizards easy for predators to spot.
article_snippet: However, researchers from the University of Valencia in Spain and the Unviersity of Porto, Portugal, have found that these 15 inch long lizards have a secret weapon against hungry birds of prey - their own cloaking device.
article_snippet: these 15 inch long lizards have a secret weapon against hungry birds of prey - their own cloaking device discovered that how male Iberian emerald lizards skin is iridescent and reflects light in different ways depending on the angle it is viewed from.
article_snippet: When viewed from above, the creatures blend into the creatures background and become almost invisible to birds.
article_snippet: However, when viewed from ground level, how male Iberian emerald lizards still stand out brightly - meaning fellow lizards can easily spot those looking for mate.
article_snippet: Iberian emerald lizard's skin makes the invisible from above but gives how male Iberian emerald lizards bright colours at ground level .