I’m not the first to make such comparisons. Fun early accounts of similarities in the design of human and animal tools, including weapons, is provided in the treatise by the Reverend J. G. Wood, Nature’s Teachings: Human Invention Anticipated by Nature (London: William Glaisher, High Holborn, 1903). More rigorous and contemporary contrasts between weapons of animals and humans are made by Robert O’Connell in his superb books Of Arms and Men: A History of War, Weapons and Aggression (Oxford: Oxford University Press, 1989), and Soul of the Sword: An Illustrated History of Weaponry and Warfare from Prehistory to the Present (New York: The Free Press, 2002).

Emlen, Douglas J, Animal Weapons_ The Evoluti…, loc. 881