For decades leopard geckos were successfully kept and bred without any UVB lighting at all
Their crepuscular, secretive lifestyle meant D3 was supplied entirely through dietary supplementation. This historical baseline is why UVB is now considered beneficial rather than strictly mandatory for this species, unlike many diurnal, sun-basking reptiles.
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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.