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Moosehorn National Wildlife RefugeCompletes Woodcock Surveys, Numbers Down
Northeast Region, May 16, 2007
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An American woodcock waits out the snowcover in April at Moosehorn NWR in Maine (photo by Matt Vander Haegan).
An American woodcock waits out the snowcover in April at Moosehorn NWR in Maine (photo by Matt Vander Haegan).

 

Several snow storms this April seem to have taken their toll on American woodcock at Moosehorn National Wildlife Refuge.  Refuge staff recently completed the annual woodcock survey, and the number of breeding woodcock on the core study area as measured by the refuge's singing ground survey dropped markedly from last year's "modern" high mark of 135 displaying males to 90 "peenting" birds this year.  The first woodcock were observed displaying at the refuge on March 25th, when the snow cover largely had disappeared from open areas and south slopes.  One week later, eastern Maine was blanketed by 5 inches of new snow, which lasted for a few days until a storm on April 5th deposited another foot.  Just as the birds were thawing out,  a few more inches of wet snow fell during the third week of April.  Survey routes that were completed during the first half of the survey window (April) generally had lower numbers of displaying birds, whereas survey routes that were run later seemed less affected.

Woodcock singing ground surveys have been conducted annually on the Baring Division at Moosehorn since 1976 to monitor the number of breeding males as a measure of the effect of habitat management carried out under our Forest Management Plan.   In 2007, we conducted 39 survey routes on the Baring Division; no new routes were added this year, as the new timber harvest patches (potential woodcock singing grounds) created this winter were within ear shot of existing survey routes. The singing ground survey has shown an overall increasing trend in the number of breeding woodcock as a response to a habitat management strategy that began on the Baring Division in 1976. 

Contact Info: Jennifer Lapis, (413) 253-8303, jennifer_lapis@fws.gov



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