The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will suffer if work resumes.

The San Rafael Valley is considered part of a critical wildlife migration route, especially for endangered species like the jaguar and ocelot ... Mountains west of Nogales or the Tohono O ...

Beyond there, the wall picks up again at Nogales but gives out in the rugged ... still cracked open for a potential rebirth of American jaguar and ocelot breeding populations.