a close-up of a snake tongue flicking in the shadows, nocturnal reptile predator hunting in the darkness

cobra nocturnal darkness tongue night dangerous shadows boa survival reptile venomous snake poison bite crawling camouflage jungle wildlife grass zoology nature wild undergrowth ecosystem ground herpetology bush close adder anaconda ball python constrictor burmese coral eastern diamondback rattlesnake garter green mamba indian king reticulated sea slithering stings vulture water