Idaho peregrine falcon survey and nest monitoring, 2012 report

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Idaho currently has 51 known (either active or historical) peregrine falcon territories. Seven new territories were discovered between 2009 and 2012, in southern Idaho. Of the 51 known territories, 45 were monitored in 2012, and 26 (58%) were found to be occupied. Twenty pairs (78%) successfully produced 46 young, for an average of 1.8 fledged young per occupied territory and 2.3 fledged young per successful pair. Twenty-six territories were also occupied in 2009, suggesting no net change in number of breeding pairs in the state. Demographics in 2012 rose slightly from those recorded in 2009, remaining well within the average for previous records. Success rates for the peregrine in 2012 were similar to other years since the turn of the century. Urban pairs continued to be successful, producing 7 young. Two mortalities, both of fledged young from one of the urban pairs, were reported.

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ELECTRONIC FILE - Zoology