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Archive for May 25, 2011

Spring Peepers Still Calling

Although spring peeper courtship in Vermont peaked about two weeks ago, they are still calling with gusto in flooded meadows and on the edges of ponds. Two different calls can be heard – one is aggressive, as the peeper is defending a territory roughly 4 to 16 inches in diameter (a trill of varying length) and the other is advertising for a mate (a single high note). Researchers have found that a male spring peeper repeats his advertising call about 4,500 times on any given night during the breeding season.