Corvus cacalotl, Wagler. Colorado Raven. This image was included in: Reports of Explorations and Surveys .... Volume X. 1859. Plate XX. P. 35 of U. S. Pacific Railroad Explorations and Surveys near the 35th Parallel. Call Number F593 .U58 1855 .
Photo Category: Treasure - Natural History - Birds
Photo Location: Western United States