Mark Kudav, a teacher, naturalist, and gardener, who assisted with the “Birding Identification by Song” class I just finished is doing a Green Birding Big Year. A Green Big Year consists of trying to see as many bird species as possible using no fossil fuels.
This is Mark’s second big year. In 2011 and he saw 276 species while riding probably around 2500 miles. This year his goal is to see 300 species. As of today he has biked 1655 miles and seen 257 species.
Follow his progress at: 2013 BIG GREEN BIG YEAR-California.
Natural History Wanderings 
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