Great Blue Herons are back again at Stow Lake in San Francisco for the 20th nesting season.
Back again: Great blue herons nest at Stow Lake
April 15, 2013 •
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Great Blue Herons are back again at Stow Lake in San Francisco for the 20th nesting season.
GGNRA is under pressure to join growing number of national parks that ban the sale of plastic water bottles.