These are reed nesting holes for solitary bees. A certain sign of nesting is seeing the ends of the reed tubes capped with mud. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...
Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert ...
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