There are animals trying to cross as if their life depended on it,” researcher Erick Meza told the Society of Environmental Journalists’ conference.

Parked against the border wall, east of the San Ysidro ... right up against the wall separating Mexico from the U.S. Troops created an “obstacle design” by welding metal rods to the top ...

THIS IS THE CORNER OF NEW MEXICO. THIS IS WHERE THE EAST AND WEST WALL FENCE STOPS AND IT STARTS TO GO SOUTH INTO THE BOOTHEEL. IT’S CALLED MONUMENT 40. IT’S THE 40TH MONUMENT DOWN THE BORDER.

To the east: a border wall stretching for 70 miles from the foothills almost to New Mexico blocks the path of these rarest of American mammals, especially at what might otherwise be prime cat ...