Page 31 - The Black Range Naturalist Vol. 4, No. 3
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Birds
There is a reasonable set of data about the abundance of various bird species in the Ponderosa Pine forests of New
Mexico during the last century. The tables found below and on the following page are from Chapter 3 of Songbird Ecology in Southwestern Ponderosa Pine Forests8. They draw on data sets completed by Fannie Ford in 1911,
Florence Merriam Bailey in 1928, and J. Stokely Ligon in 1961. Care should be used in analyzing the data, because the three compilers used different techniques and databases in assembling their material. Ford, for instance,
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