"The Trump administration has reauthorized government officials to use controversial poison devices – dubbed “cyanide bombs” by critics – to kill coyotes, foxes and other animals across the US.
The spring-loaded traps, called M-44s, are filled with sodium cyanide and are most frequently deployed by Wildlife Services, a federal agency in the US Department of Agriculture that kills vast numbers of wild animals each year, primarily for the benefit of private farmers and ranchers.
In 2018, Wildlife Services reported that its agents had dispatched more than 1.5 million native animals, from beavers to black bears, wolves, ducks and owls. Roughly 6,500 of them were killed by M-44s."
Source: Guardian, 08/09/2019