News Headline

Migratory birds shrinking as climate warms, new analysis of four-decade record shows

Source
Phys.org

Publication Date
2019-12-04

North American migratory birds have been getting smaller over the past four decades, and their wings have gotten a bit longer. Both changes appear to be responses to a warming climate.

Content
https://phys.org/news/2019-12-migratory-birds-climate-analysis-four-decade.html