Approximately 52+ Oregon Spotted frog egg masses were found in the Maria slough on Seabird Island in March 2008. The top picture is a cluster of egg masses, and the bottom picture is a close up of one egg mass. Each egg mass can contain 500-700 eggs! We estimate that one female and one male created one egg mass, and a different pair per egg mass. In 2007, there were only 21 egg masses!
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