USDA predator killing of wild animals to protect livestock.
"The USDA's War on Wildlife". Predator DefenseWashington state killed the wedge pack of wolves.
Maughan, Ralph. "Wedge wolf pack will be killed because of its increasing beef consumption". The Wildlife News. September 2012More wild horses and burros in government holding facilities than are free on the range.
"Program Data: On Range Population Estimates as of March 1, 2016". Bureau of Land ManagementTen thousand years ago, 99% of biomass (i.e. zoomass) was wild animals. Today, humans and the animals that we raise as food make up 98% of the zoomass.
Ede, Sharon. "The Bomb is Still Ticking...". Post growth: From bigger towards better. November 2010Smil, Vaclav. "Harvesting the Biosphere: The Human Impact"