Funny animal comic - a hungry bird and a surprising spider
You might have seen that one on an episode of "One Planet". A bird searching for spiders and receiving an unpleasant turn. This scene was genuinely one of the most surprising outcomes in a natural story on television, even for a long-time-nature-documentary-watcher like me. The spider-tailed horned viper is a quite recent, but extraordinary discovery. It evolved modified scales on the tail that form a tail tip resembling a spider. Camouflaged against the rocks of Iran, it imitates spider movements to attract birds which want to feed on spiders. In a split-second the snake attacks with its venomous fangs to kill the bird. The viper was actually first known to the Western world in 1968, where it was captured and investigated in the Field Museum of Natural History in Chicago, USA. Back then, the weird and unhealthy looking tail end was written off as a spider attached to the snake, and later regarded as a deformation or tumour. Only later in 2003, when another specimen was found...