News Headline

Mystery of the missing monarch butterflies

Source
New Scientist

Publication Date
2011-06-23

What is going on with monarch butterflies? Populations have been falling for 17 years at their wintering sites in Mexico, but a new study suggests they are holding steady in the eastern US.

Content
http://www.newscientist.com/article/dn20603-mystery-of-the-missing-monarch-butterflies.html