SAN FRANCISCO (KGO) — Miles of border wall stretch into the divide the United States from Mexico. But now, there is growing evidence that newly constructed sections are also dividing a critical habitat. This is disrupting natural migrations — both of animals that eventually manage to work their way through the fence and those too large to cross at all.
“Yes, absolutely. I mean the border wall is creating a massive continental scale environmental experiment that we’re all along for the ride with. And it’s going to affect the evolutionary history of these species,” said Emily Burns, a researcher with the nonprofit Sky Island Alliance.
Over the last several years, the group has been placing wildlife cameras along sections of the border wall in Arizona to document its impact. On any given night, smaller animals, like Javelinas, can slip through small openings at the base, perhaps followed by a lucky porcupine
But the group’s …