This video is a perfect illustration of David vs. Goliath in the animal kingdom.This fight between two small creatures is especially violent and hard to watch. On one side, we have a small mouse, and on the other, a hornet. The video is shocking, but also kind of sad. Viewer discretion is advised!The fight took place in the United States and was initially reported in the New York Post. In it, you can see a mouse fighting to free itself from the hornet and its stinger. Unfortunately, it's its efforts were futile -- the hornet actually killed the mouse! You can watch the fight in the video above.Note that this is a particular type of hornet: the Asian hornet, also known as the Vespa mandarinia.The Asian hornet: what you need to knowA whole new type of Asian hornet has made its way to the West, and according to beekeepers and scientists, it's quite dangerous. This new species called giant Asian hornet is the largest hornet in the world. Its size can reach up to 5.5 centimetres, its eyes are shaped like teardrops and its head is orange and yellow.It is believed to come from tropical forests in Southeast Asia (India, Burma, Thailand, Laos, Vietnam, Cambodia, China, South Korea) and Japan. But this type of hornet was recently spotted in Washington, USA.