Easy solution, put wind turbines on the top of the wall and they will fly around.
Via Townhall:
Public service announcement: the border wall is even more problematic because animals and birds might be impacted. I wish I was kidding, but MSNBC ran a segment with biologist Jeff Corwin, where the latter said jaguars, the Mexican gray wolf, bats, and some birds might be impacted by the border wall’s construction.
“It would be an unprecedented environmental catastrophe,” said Corwin to host Craig Melvin.
HT: HARP2