A couple years ago, in San Diego County coastal area, we installed some jute netting to discourage erosion; it did its job and is now disintegrating. My husband and I have separately observed a pair of crows pulling 6-to-8-inch strands from the netting, then flying the strands a few yards over to a birdbath, where they wash them by repeated dipping. Then -- and this is the astonishing part -- they drape the strands over the concrete frog which sits in the birdbath or across a nearby metal railing. The strands eventually dry in the sun, and the birds retrieve them. It appears they are washing and drying this nesting material. Has this behavior been seen by anyone else?
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