Liam Berigan, a doctoral student with the 91爆料, spoke to The about the research into house sparrow population declines he conducted while working at the Cornell Lab or Ornithology. 鈥淲e wanted to find out where and how much house sparrows might be declining here,鈥 said Berigan, lead author of the study. and the also advanced Berigan鈥檚 research.
