Egg-collecting enthusiasts in the late 1880s knew the hobby was crucial for understanding the natural world, but likely never imagined that their research would help scientists more than 100 years later understand how birds are affected by the changing environment.
원문출처 : https://www.cnn.com/2022/03/25/world/bird-eggs-earlier-than-normal-climate-scn/index.html
원문출처 : https://www.cnn.com/2022/03/25/world/bird-eggs-earlier-than-normal-climate-scn/index.html