@pbsnews: Conservation groups try to save tiny deer in the Florida Keys from a warming planet A type of white-tailed deer unique to the Florida Keys has been on the endangered species list for nearly 60 years. Only about 800 Key deer remain, and their habitat is under growing threat from rising sea levels. William Brangham reports for our series, “Saving Species.” #pbsnewshour #pbsnews #newshour #florida #floridakeys #deer #whitetaileddeer #endangered #sealevel #globalwarming #climatechange