Looking at butterflies and moths

Butterflies can only see red, green, and yellow. They also have a much wider view field and are able to see ultraviolet light.

 their wings are actually fully transparent but the protein that makes up their exoskeleton stores the beautiful colors...

When caterpillars are full and ready, they will stop eating. Some caterpillars will create a chrysalis to hang in, others create pupae.

More differences
Butterflies flutter around in the day because they are diurnal, but moths are usually only around at night, as they are nocturnal.

Butterflies and moths enter the world as caterpillars. They come from larvae and then eat their way through all the leaves they come across.

 it works, then a beautiful moth or butterfly will emerge from the casing. 

The top speed for butterflies is 12 mph (19.31 kph).

Inside the chrysalis or pupae, the caterpillar will begin to digest itself using its enzymes.

Butterflies have a wide range of sizes. They can be anywhere from ⅛ inch (0.3 cm) to 12 inches (30 cm)..

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