An overhead basking bulb, when used, generally plays a secondary role to under-tank belly heat rather than the primary heat source
This differs from many diurnal, sun-basking lizard species. An overhead heat source can raise air temperature in a cool room, but it's usually secondary to a thermostat-controlled under-tank heater or heat cable for this largely nocturnal-to-crepuscular species.
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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.