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Monarch numbers declining
January 2009
Watching thousands of monarch butterflies overwinter in our communities is a special benefit of living on the Central Coast. Over the last decade, the number of monarchs observed during the Xerces Society’s annual Thanksgiving count has declined. Comparisons of counts for 1997 and 2006 for nearby butterfly havens are:
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1997 |
2006 |
| Lighthouse Field, Santa Cruz |
70,000 |
14,000 |
| Moran Lake, Santa Cruz |
70,000 |
6,800 |
| Natural Bridges, Santa Cruz |
120,000 |
10,000 |
| Butterfly Grove Sanctuary, Pacific Grove |
45,000 |
28,746 |
These counts and others are posted at www.Xerces.org.
Ventana staff photo
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