The waxy secretion produced by a mature male's preanal pores is used for territorial scent-marking, not just visual sexing
Beyond being a visual cue keepers use to sex adult males, the pores actively secrete a waxy substance that geckos deposit on surfaces to communicate territory and identity to other geckos — the pores are a functional scent gland, not just a cosmetic feature.
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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.