Monarchs in western U.S. risk extinction, scientists say.

Monarch butterflies west of the Rocky Mountains are teetering on the edge of extinction, with the number wintering in California down more than 90 percent from the 1980s, researchers said in a study published on Thursday.

https://in.reuters.com/article/usa-butterflies-monarch/monarchs-in-western-u-s-risk-extinction-scientists-say-idINKCN1BI2NM?il=0

Publicado el septiembre 8, 2017 06:05 TARDE por biohexx1