You are starting a journey into a world of senses different from your own…
We experiencethrough five main senses, but even these are better developed in some familiar animals.
Smell your way across an ocean as a salmon does.
See, through the multi-aspected eye of a fly, what ahand looks like when it is about to strike. Amazing effects reveal the secrets of perception.
Episode 1: Sixth Sense
Animals use senses of which humans are unaware. Sensitivity to the’s electromagnetic fields, or to weather pressure, can be used to aid navigation. Some animals can predict earthquakes. Predators put these senses to lethal use: a shark homes in on the electricity of its prey, vampire bats detect the infra-red radiation of blood, and a rattlesnake sees a ‘heat picture’ of its victim.
Episode 2: Seeing Sense
A vulture can spot a carcass from a great distance, the four-eyed fish can see above and below water simultaneously, a fly’s multi-faceted eye sees a very different world than aeye, while other insects can see into ultra-violet light. And lions have an area on the retina which actually empathises with their prey.
Episode 3: Sound Sense
Human ears have a limited range and are deaf to a low-register elephant conversation or the high-pitched squeaking of mice. Whales use sonar to communicate across hundreds of miles of, while spiders listen out for the wingbeats of prey and the kangaroo rat has hearing so sensitive that it can hear the rattlesnake’s strike – and avoid it. Birds, meanwhile, use sounds to detect changes in the weather and as an aid to navigation.
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