Citizen scientist tracks bird-window collision fatalities.

Most bird deaths occur between ground level to 40 feet which the American Bird Conservancy calls the primary bird collision zone.

http://www.normantranscript.com/news/government/citizen-scientist-tracks-bird-window-collision-fatalities/article_68a473f9-a146-5af9-9c61-887f0d15ba5a.html

Posted on 29 de maio de 2017, 11:35 AM by biohexx1