Seagulls prefer to eat food that humans have already touched, according to new research.
원문출처 : https://www.cnn.com/2020/02/26/world/seagulls-food-human-touch-scli-scn/index.html
원문출처 : https://www.cnn.com/2020/02/26/world/seagulls-food-human-touch-scli-scn/index.html