A series of recent articles about endangered species or threats to species.

Endangered Red-legged Frog gets habitat protection in California http://latimesblogs.latimes.com/greenspace/2010/03/the-us-fish-and-wildlife-service-has-designated-16-million-acres-in-california-as-critical-habitat-for-the-endangered-yell.html

Loggerhead Sea Turtle may get endangered status http://latimesblogs.latimes.com/greenspace/2010/03/loggerhead-sea-turtle-may-get-endangered-status.html

Sierra Nevada Yellow-Legged Frog’s site fidelity may lead to further decline  (site fidelity is the tendency of a species to return to previous habitats)  The threats to the frog are due to climate change and non-invasive trout occurring in habitats that were once supportive of the frogs. Read article for more info: http://www.sciencedaily.com/releases/2010/03/100311091613.htm

The Curious Case of the California Tiger Salamander where an alien species not only posed a threat on its own, but also hybridized with a native species creating an even greater threat http://www.sciencefriday.com/newsbriefs/read/197