Charismatic songbird’s numbers have dramatically declined, survey suggests

Source: ScienceDaily

An new study shows the number of evening grosbeaks using the campus as a migration stop-over site has gone down an average of 2.6% per year over the last four decades, emblematic of population declines across the charismatic songbird’s range.

https://www.sciencedaily.com/releases/2022/06/220629150145.htm