Cobras ( pronunciation (info • help)) are venomous snakes of the family Elapidae, of several genera, but particularly Naja. (Non-cobra elapidae include the taipans, brown snakes, tiger snakes, fierce snakes, coral snakes, black mambas and sea snakes.) Cobras usually live in tropical and desert regions of Asia and Africa. When feeling threatened, cobras can tilt back and flatten their heads into their warning posture. The rest of the time their heads are symmetrical and they look much like any other snakes.
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