In 2023, researchers tested human voices, predator calls, dog barks and flashing lights on elk and deer in British Columbia; human shouts scared them most
On the edge of farm fields in British Columbia, where cultivated land meets forest and mountain, farmers have long struggled with deer that slip in at dusk to feed on crops. In search of non-lethal ways to protect their harvest, scientists tested a simple idea. They broadcast recordings of human shouts, wolf howls and cougar…