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Tropical species are moving northward as winters warm
Robert Sanders
18 April 2021
As winters become warmer, tropical mosquitoes like Aedes aegypti move northward, possibly increasing the spread of diseases such as dengue, yellow fever and Zika. Photo by Muhammad Mahdi Karim photo.
Notwithstanding February s cold snap in Texas and Louisiana, climate change is leading to warmer winter weather throughout the southern U.S., creating a golden opportunity for many tropical plants and animals to move north, according to a new study in the journal Global Change Biology.
Some of these species may be welcomed, such as sea turtles and the Florida manatee, which are expanding their ranges northward along the Atlantic Coast.
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Mar. 1, 2021
The earliest primate of all lived with dinosaurs, a team of American researchers suggests, based on the discovery that at least two species of them were already running around about 100,000 years after the mass extinction that all but wiped out those terrible lizards. The little furry things almost certainly had to have evolved earlier, which means they lived with dinosaurs. Including the big ones.
It’s true that these archaic primates were more like an arboreal rat than a B movie actor armed with a time machine and a jeep. But it’s awesome to think that our ancestors, albeit extremely distant ones, were dodging T. rexes. Though to be honest, the archaic primates were so small T. rex couldn’t have used them for much except maybe to floss its teeth with their tails.
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