A new study finds that five bird subspecies may already be extinctbr/
br/
-- Read more on ScientificAmerican.comdiv class="feedflare"
a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=ctqtSgCiPWk:e3ai44EIzRY:yIl2AUoC8zA"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=yIl2AUoC8zA" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=ctqtSgCiPWk:e3ai44EIzRY:qj6IDK7rITs"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=qj6IDK7rITs" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=ctqtSgCiPWk:e3ai44EIzRY:l6gmwiTKsz0"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=l6gmwiTKsz0" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=ctqtSgCiPWk:e3ai44EIzRY:gIN9vFwOqvQ"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?i=ctqtSgCiPWk:e3ai44EIzRY:gIN9vFwOqvQ" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=ctqtSgCiPWk:e3ai44EIzRY:ZC7T4KBF6Nw"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=ZC7T4KBF6Nw" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=ctqtSgCiPWk:e3ai44EIzRY:I9og5sOYxJI"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=I9og5sOYxJI" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=ctqtSgCiPWk:e3ai44EIzRY:QXVau8BzmBE"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=QXVau8BzmBE" border="0"/img/a
/div