LA museum enlists volunteers in search for bugs, plants

A museum staff member cleans a clear duct, part of the an exhibit of live rats displayed at the Urban Nature Research Center in the Los Angeles' Natural History Museum, on Wednesday, April 13, 2016. Long before Southern California was paved over with freeways and a concrete-bottomed river, covered in cars and trod upon by millions of people, it was teeming with snakes, slugs, spiders, snails and uncounted numbers of other slimy, creepy, crawly creatures. (AP Photo/Damian Dovarganes)