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Spring Bird Box Cleaning at Alewife by Bill Ackerly
May 16, 2008 Update on nesting bird boxes at Alewife Reservation
Some notes of interest: the house wren box was cleaned in Feb. and a nest of mice were all dozing and in clearing out, 5 jumped out to the ground to scamper away. This particular box had wire mesh around the hole so no animal could chew their way in. Another swallow box on a peninsula in Blair Pond was filled by house sparrows that had to be cleaned out in May. The wood duck box was cleaned out, fresh wood shavings put in the 3' hole protected by a plastic ring because the old opening was really chewed out and enlarged. The two kestral boxes on 15 foot poles were cleaned out with help of the DCA employees' twelve ft ladders and were without damage. Two of the boxes were back to back boxes, facing in opposite directions so that blue birds and swallows could nest. I personally have not seen this work in reality, but it is there.
Tree swallow image by David Brown |