You can see through a leopard gecko's head via the ear canals
Hold your gecko up to a light source and look through one ear opening — you can see light through the other side. The ear canals run straight through the skull. This is entirely normal anatomy that alarms many first-time keepers unnecessarily.
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Most active at dawn and dusk when temperatures in their native Pakistan and Afghanistan are ideal.
A widespread misconception is that the tail acts like a camel's hump storing water.
Autotomy — voluntary tail shedding — is a defence mechanism.
Unlike most gecko species which use van der Waals forces to climb smooth surfaces, leopard geckos have conventional claws.
The moveable eyelid is unusual among geckos.
Leopard geckos exhibit Temperature-dependent Sex Determination.