Leopard gecko eggs have a soft, leathery parchment-like shell rather than a hard, brittle one
The flexible calcareous shell absorbs moisture from the incubation substrate, which is why incubation media must be kept at a consistent, correct dampness rather than fully dry or waterlogged.
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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.
Hold your gecko up to a light source and look through one ear opening — you can see light through the other side.