What is a paw?
A paw is the bottom of a mammal’s foot. It is the soft hairless part of the foot.
There are five parts of the paw: (1) claws, (2) front pads (usually 4), (3) metacarpal pad (the large pad behind the front pads), (4) the dew claw, and (5) the carpal pad (like a heel). The dark-colooured pads act like cushions.
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How do lizards walk upside down?
Many lizards, such as geckos and skinks, can walk upside down and climb up walls. They have special toe pads that can support their weight.
Their toe pads have microscopic hairs or bristles, called setae, that act like Velcro, enabling their feet to stick to surfaces.
On each of the setae are millions of even smaller tips, called septulae. Each one can grip the surface.