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2012 Endangered Interior Least Tern Nesting Barge Project
Barges were moved to new breeding season location to enhance monitoring capabilities and public viewing from the St. Louis Audubon Center. Barge monitoring and driving surveys were conducted for arriving least terns in April/May and continued throughout the summer. Least terns first arrived on May 22nd of 2012. Nesting on the barge was confirmed on June 11th when 5 nests, 15 eggs, and 10 adults were observed. On June 25, 10 nests, 16 eggs, 9 chicks, and 12 adults were observed. On July 9, 12 nests, 5 eggs, and 9 chicks were observed. On July 12, 24 flying least terns were observed. It is estimated that a minimum of 12 chicks successfully fledged this year. There was no evidence of predation this year and the fences appear to be working.
See Project FAQ sheet here