June 15, 2013 | By Jenniffer Weigel
It takes a trained ear to know the call of the grasshopper sparrow. Or a bobolink. Or even a meadowlark. For Wendy Paulson, standing in the grasslands of North Barrington and focusing her telescope on a rare savannah sparrow for all to see, it brings her great joy.
"Be sure to watch him as he sings," she says, stepping away from her scope so the group, organized by the Chicago region of the Audubon Society (http://chicagoregion.audubon.org), can get a good look. "This is a 10-star day for bird enthusiasts!"