Birds in the Amazon have been shrinking. Here's why scientists think it's happening

[15 Nov 2021] Vitek Jirinec, and RNR professor, Dr. Philip Stouffer discover that over the last four decades, birds in the Amazon have been shrinking — and scientists believe their smaller bodies may be a response to hotter, drier weather brought by climate change.

Hear the interview with host Ailsa Chang and Mary louise Kelly for NPR, or read the transcript.