January 21, 2007
Associated Press photo

Numbered stickers are being attached to monarch butterflies in California to track their winter travels.

 
 
 
 

Please keep it civil. Don't post comments that are obscene, defamatory, threatening, off-topic, an infringement of copyright or an invasion of privacy. Read our forum standards and community guidelines.

You must be logged in to post comments. Please log in here or click the comment box below for options.

comments powered by Disqus