Congress just allocated $1.6 billion to build 33 miles of new barriers around the refuge in the Rio Grande Valley. These wall sections — a compromise to assuage President Trump, who wants a wall across the entire border — are expected to disrupt several other protected parcels of land home to rare animals, plants, and birds, including the National Butterfly Center, a state park, and several other tracts of land in the federal wildlife refuge system.

Want to know more about how the border wall will impact butterflies? Read about it here.