Western snowy plovers had a banner year in Point Reyes National Seashore in 2013, with 15 fledglings recorded by the end of the summer, the largest number counted since 2007. Wildlife ecologist Dave Press said changes to wire fencing, including the decision to not place cages around some nests—shallow “scrapes” in the sand that the birds line with shells—might have contributed to the success. The federally threatened wader named for its milky white belly has…