FILE - In this Dec. 14, 2016, file photo, a Phoenix Wailer bird deterrent sits on the bank of the Berkeley Pit in Butte, Mont. The wailer, which emits different sounds at random times, is one of the devices used to keep birds from landing in the toxic water of the former copper mine. The Trump administration is moving to scale back criminal enforcement of a century-old law protecting most American wild bird species. (AP Photo/Matt Volz, File)
March 31, 2020
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March 31, 2020 5:15 p.m.
Ex-wildlife chief: Trump rule could kill billions of birds
BUTTE, Mont. (AP) — At a former open pit copper mine filled with billions of gallons of toxic water, sirens and loud pops from propane cannons echo off the granite walls to scare away birds so they don’t land.