Corvus cacalotl. Colorado Raven. (Syn for Common Raven, Corvus corax, see Distributional List of the Birds of Arizona archive copy at the Wayback Machine) From: Reports of Explorations and Surveys.... Volume X. 1859 of the U. S. Pacific railroad Explorations and Surveys 38th, 39th, 41st Parallels. Copied from NOAA Photo Library.

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