Using newts, coyotes and mice, Jason Munshi-South shows how animals develop genetic differences in evolution, even within an urban city. "Evolution in a Big City" was animated by the TED-Ed...
========== So I'm here today to encourage
you to think about New York City, and not just as one
of humanity's greatest achievements, but as home to native wildlife that are subject to a grand
evolutionary experiment. So take this forested hillside
in Northern Manhattan, for example. This is one of the last areas
left in the city where there's clean spring water
seeping out of the ground. You could drink this
out of your hands and you'd be OK. These tiny little areas of seeping water contain huge populations
of northern dusky salamanders. These guys were common in the city
maybe 60 years ago, but now they're just stuck
on this single hillside and a few places in Staten Island. Not only do they suffer the indignity
of being stuck on this hillside,...