Spring is Arriving Earlier, Messing With Bird Migrations.

Researchers found the irregular seasonal changes affect migratory birds’ breeding sites, an outcome that could endanger many species.

http://blogs.discovermagazine.com/d-brief/2018/09/12/spring-arriving-earlier-messing-bird-migrations/#.W5ockZ9lDqA

הועלה ב-ספטמבר 13, 2018 08:16 לפנה"צ על ידי biohexx1