what are some endangered species?
['giant panda (Ailuropoda melanoleuca) ... ', 'tiger (Panthera tigris) ... ', 'whooping crane (Grus americana) ... ', 'blue whale (Balaenoptera musculus) ... ', 'Asian elephant (Elephas maximus) ... ', 'sea otter (Enhydra lutris) ... ', 'snow leopard (Panthera uncia) ... ', 'gorilla (Gorilla beringei andGorilla gorilla)']