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Snakes smell the air with their flicking tongues.

Snakes smell the air with their flicking tongues.

A snake flicks its tongue in and out to catch tiny smells, then knows what is nearby.

🦎 All Reptiles Amphibians facts →

More facts about Reptiles Amphibians

A gecko can walk straight up a wall and across the ceiling. A gecko can walk straight up a wall and across the ceiling. Crocodiles can't chew, so they swallow their food in big gulps. Crocodiles can't chew, so they swallow their food in big gulps. A salamander can grow back a lost tail, or even a leg. A salamander can grow back a lost tail, or even a leg. Turtles have been around since the time of the dinosaurs. Turtles have been around since the time of the dinosaurs. The saltwater crocodile is the biggest reptile in the world. The saltwater crocodile is the biggest reptile in the world.