North American Butterfly Association
Anderson River Park, Anderson
Shasta County, CA
Cool, mostly overcast morning, clearing before noon and warming to 70’s. During a 2.4 mile walk mainly in natural areas of riparian park, I counted 210 Pipevine Swallowtails, 1 Western Tiger Swallowtails, 1 Cabbage White, 3 Mournful Duskywing, and 3 Silvery Blue. Pipevines started flying early in walk. Others seen mostly toward the end as it warmed up. the pipevines were mostly in continuous flight till toward the end of the walk. Then I found them nectaring on redbud, fiddleneck, and vetch.
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