Birds are getting smaller. Scientists see the echo of climate change.
Nature & Science

Birds are getting smaller. Scientists see the echo of climate change.

Birds have been shrinking as global temperatures rise and the climate warms, a new study published Wednesday in the journal Ecology Letters has found.Research led by scientists at the University of Michigan examined more than 70,000 bird specimens from 52 North American migratory bird species collected between 1978 and 2016. The researchers found that body…