Most predator animals have their eyes on the front of their skulls (like humans), while prey animals traditionally have their ...

Through natural selection, different types of eyes have emerged in evolutionary history -- and the human eye isn't even ... perhaps allowing it to evade a predator. Random changes then created ...

More importantly, some have colourful and elaborate patterns that serve as a defence against hungry predators. There are many butterfly and moth species that have developed what appear to be extra ...

Whereas human eyes contain three types of colour-detecting cells ... they would just about be able to make out this other snail moving past, or a predator approaching. The snail's ability to discern ...