Page 29 - Black Range Naturalist, Vol. 2, No. 3
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 our yard. Greater Roadrunner, Scaled Quail, Black-throated Sparrow, and Gambel’s Quail fall within this category.
I suspect that the list for Hillsboro is easily 175 and may reach 200. Recently some birders have begun a disciplined survey of the townsite, and at some point we will probably augment our yard list with information gleaned from those sources. How that works is still to be determined.
Many species are actually present in our yard more often than is indicated by our observational list. The front of the yard actually has a different set of birds than does the back, for instance, and if one area is not surveyed a particular set of birds is not recorded.
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