Well according to this link dolphins don't sleep as we do, they can switch sleep between the two hemispheres of their brain. So it's probably more like a state of sleep swimming.
Point taken, bats could land in your hair - but they would have to be not listening to where they were going (rather than not looking)
What I trying to debunk was the myth that is a common occurence. Their aim when they fly close to you is to hoover up all of those annoying midges that form a cloud around your head if you go for a stoll in the evening. The fact that they can catch a midge in flight is testament to their flying skills, so you were obviously unlucky for one to land on you -although personally I'd love it!
Last year I went to Texas and sat in front of a cave with 40 million bats roosting inside, and didn't get touched once as they all few past
Well, that's true, but it isn't the right answer.
Dolphins are called mammals because they belong to the mammal family. They have wombs and give birth to live offspring and then nurse the offspring. They have lungs, not gills, and their flukes are horizontal rather than having a vertical tail fins; careful examination of the anatomy reveals that they are descended from a land based animal which at some point returned to the ocean and evolved to become re-adapted to an aquatic lifestyle. Whales also did this (as did walruses and seals etc.) , though IIRC correctly they are not especially closely related to dolphins. Dolphins have true teeth, unlike sharks, which use adapted scales which grow into enormous teeth and then break off and are replaced by further scales from behind. Sharks are far older, in palaeolontological terms, than dolphins, sharks having been swimming in oceans when the dinosaurs 'roamed' the earth and the ancestor of all mammals was a creature no bigger than a vole...since then the earliest mammal evolved into an animal - I think like a bear? - which then returned to the sea and became the dolphin.
Question: why is it that dinosaurs always 'roam' the earth?
Most bats will struggle like fury, as would any wild animal, but seem to calm down very quickly and will often eat quite happily if offered food. The youngsters are calmer, and babies don't care as long as they're warm - as a laydee I tuck baby bats down my bra to carry them round , cheaper than an incubator and nobody's any the wiser...
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