For Star subscribers: Cameras are yielding some early data, including whether larger mammals are using open floodgates during monsoon season to cross the border wall in Arizona.
Danyelle Khmara Conservation groups set up cameras in the San Bernardino National Wildlife Refuge in Southern Arizona to study the border wall's effects on wildlife movement, including whether larger mammals are using the open floodgates during monsoon season to cross the border.
This new study looks at the San Bernardino Valley, which the groups say is an important wildlife migration corridor between the Rocky Mountains and the Sierra Madre Occidental, which was impacted by the 30-foot-tall border wall. It’s early in the study to determine why only 9% of the animals are using the floodgates to migrate, but one reason could be that it’s a relatively new structure that the animals are still adjusting to, says Eamon Harrity of Sky Island Alliance.
Customs and Border Protection could not immediately respond to whether leaving the gates open year-round was a possibility. “The most immediate effect is for the first time in the history of this continent, more or less, there's a barrier to movement,” Harrity says. “So these wide ranging animals are suddenly cut off from what might be a seasonally available resource on either side of the border.”
When the wall was constructed in 2020, the federal government waived all environmental laws using the 2005 REAL ID Act, which among other things allows the secretary of Homeland Security to waive laws for faster border infrastructure construction.
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