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The study, published in Current Biology, provides the first evidence of street lighting affecting the behaviour of an endangered bat species.
Researchers from Bristol University placed artificial street lights along hedgerows used as flight routes by horseshoe bats and found that they avoided the lit-up areas.
This forces them to take longer routes, exposing them to greater danger from predators and reducing the amount of food they can find in the limited hours of darkness.
www.telegraph.co.uk...
Scientists have found that, as bats travel to feeding grounds, they avoid hedgerows illuminated by streetlights.
Reporting in the journal Current Biology, they say this could cause bats to use longer and less safe routes.
The researchers studied the effect with artificial lights along flight routes used by lesser horseshoe bats.
news.bbc.co.uk...
Originally posted by 1AnunnakiBastard
I'm not aware of ANY species of bats that fly in the middle of strong illumination sources like spotlights, cannon lights... As a matter of fact bats AVOID artificial lights, so the bats explanation is pure BS.
Originally posted by delusion
it's BATS.
Originally posted by Exitt
Mmkay, let us disregard scientific findings on bats avoiding artificial lights at all costs.
Originally posted by Exitt
Mmkay, let us disregard scientific findings on bats avoiding artificial lights at all costs.
.
.
.
done
Originally posted by delusion
it's BATS.
So much for denying ignorance!
Originally posted by smurfy
Studies have shown that, although noctules, Leisler’s, serotine and pipistrelle bats swarm around white mercury street lights (this would also apply to metal halide) feeding on the insects attracted to the light, this behaviour is not true for all bat species.
Originally posted by Exitt
Mmkay, let us disregard scientific findings on bats avoiding artificial lights at all costs.
.
.
done
Originally posted by delusion
it's BATS.
So much for denying ignorance!
At night, a high-intensity light shoots skywards from the top; visible in space, it's also a beacon to a swarm of insects and bats during warmer months.
The bats -- probably Brazilian free-tailed bats, with wingspans up to 10 inches, and smaller Western pipistrelles -- have discovered the bane of any homeowner with a bright patio light.
And boy, does the Luxor have a light -- the most powerful in the world, the Luxor boasts, bright enough to be seen on a clear night up to 250 miles away from an airplane at cruising altitude. So imagine how many bugs -- mostly moths and beetles -- are drawn to it.
Birds, including nighthawks, also belly up to the light beam buffet. But the bats are the headliners.
A "sky beam" - reportedly the most powerful light in the world - shoots up from the pyramid's peak at night. It can be seen from an airplane on a clear night from 250 miles away, and it attracts a flurry of bats who feed on the insects drawn to it.
This special elevator rises at a 39-degree angle, with an ultra-bright light, high above the pyramid offering beautiful nocturnal sights on some nights, such as bats and birds flying across the illuminating light.
Originally posted by streetsnipes
Wait a second. So all this time there's this light pointing up into the sky, and bats fly around it all the time, yet no one seems to notice or care, but suddenly on this one night it's a big deal??
Um, if they're usually there, why did this night come in question? Wouldn't locals have just shrugged it off as the same old usual thing they ALWAYS see??