Newly Nocturnal
The expanding human influence on the world is causing many animal species to be more active at night, while most people are sleeping.
“Humans are now this ubiquitous terrifying force on the planet, and we are driving all the other mammals back into the nighttime,” said University of California, Berkeley, researcher Kaitlyn Gaynor.
She and colleagues analyzed studies of 62 species on six continents and found that human activity, such as hunting and farming, triggered an increase of about 20 percent in nighttime activities. This includes animals that aren’t typically night owls.
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