Caracaras–a raptor that often feeds on carrion–take wing near Perez’s ranch. CBP says it is working with the U.S. Fish and Wildlife Service to mitigate the wall’s impact on critters, but an official concedes it’s not easy to protect wildlife while strengthening border security.

Caracaras–a raptor that often feeds on carrion–take wing near Perez’s ranch. CBP says it is working with the U.S. Fish and Wildlife Service to mitigate the wall’s impact on critters, but an official concedes it’s not easy to protect wildlife while strengthening border security.