Leopard geckos can shift slightly darker or lighter as part of behavioural thermoregulation, not only as a stress response
Darkening can help a cool gecko absorb more heat, while lightening can reflect excess heat — a secondary layer of thermoregulation alongside simply moving between warm and cool zones of the enclosure.
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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.