stipplethroat

  • These Amazonian Birds Are Shrinking Because of Climate Change

    These Amazonian Birds Are Shrinking Because of Climate Change

    Four decades of data about bird species in remote parts of the Amazon rainforest indicate the animals’ body sizes and wing lengths have changed. These changes — decreases in total body mass and increases in wingspan — correspond with a 40-year trend of increasingly hot and dry conditions during the rainforest’s drier season.