Garden Pests and Diseases: Purple Martin, Bluebird and Tree Swallow nesting site, 0 by Stelco
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In reply to: Purple Martin, Bluebird and Tree Swallow nesting site
Forum: Garden Pests and Diseases
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Stelco wrote: My Martins create mud dams at the door before nesting. Man has created similar Purple Martin entrances after noticing that Starling cannot enter a compartment entrance that's similar to this. The round entrace hole isn't suggested in most housing now. |