<p>An eastern massasauga rattlesnake is seen in its exhibit at the Philadelphia Zoo in 2003. Environmental groups are criticizing the Obama administration for what they say is a continuing backlog of plants and animals in need of protection under the Endangered Species Act.</p>
November 27, 2010
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November 27, 2010 8 p.m.
Obama criticized on endangered species
Critics: Backlog of plants, animals need protection
WASHINGTON - Environmental groups are criticizing the Obama administration for what they say is a continuing backlog of plants and animals in need of protection under the Endangered Species Act.