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Out of curiosity I have been checking in on the eBird data and the results are conclusive and impressive. Check out the maps and frequency charts below.
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2011 August through December Evening Grosbeak sightings. |
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2012 August through Nov 15th - Evening Grosbeak sightings. Significant deeper entry into the Southwest, Midwest, Northeast, East Coast, even starting to enter into Southern states. |
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2011 Frequency of checklists reporting Evening Grosbeaks - Pay attention to October and November when you compare it to the 2012 Frequency Graph below... |
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While May-June sightings were slightly less frequent in 2012, take a look at September through today. Awesome! |
that's an interesting path they take
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