[Tweeters] Greenback Swallows nest boxes

Simendinger Theresa cowgirltns at rockisland.com
Tue Apr 16 17:58:01 PDT 2013

>> Tweeters

>> I live in the San Juan Islands off the coast of WA.

>> I have boxes up for Greenback Swallows. I was wondering when they start to

>> nest and should they be cleaned out each year? I have heard both answers.

>> I had nests in four of the boxes the first year. 2006...but none last year...2012.

>> I have tried cleaning and not cleaning the boxes with 3 to 4 nests each year except last year.

>> Theresa

>> San Juan Island


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