California birds nesting a week earlier than they did a century ago.

A new study suggests that many of the state's birds are adapting to rising temperatures by breeding earlier than they did a century ago.

https://m.phys.org/news/2017-11-california-birds-week-earlier-century.html

Publicado el 14 de noviembre de 2017 a las 12:33 AM por biohexx1