Buteogallus daggetti Miller, 1915:180
Walking eagle, Daggett's eagle
Taxonomy & Nomenclature
Synonym/s: Morphnus daggetti Miller, 1915:180; Wetmoregyps daggetti Miller, 1915:180
Conservation Status
Extinct
Last record: Late Pleistocene
Distribution & Habitat
California, USA & Mexico
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Miller, Loye Holmes. (1915). A walking eagle from Rancho La Brea. Condor 17(5): 179-181.
Other references:
Faurby, Søren, Matthews, Tom J., Triantis, Kostas A. and Sayol, Ferran. (2026). Quantifying the unrecorded loss of avian phylogenetic diversity. Ecography 2026: e08267. https://doi.org/10.1002/ecog.08267
Guthrie, D. A. 2009. An updated catalogue of the birds from the Carpinteria Asphalt, Pleistocene of California. Bulletin of the Southern California Academy of Sciences 108(2):52-62.
Matthews, Thomas J., Triantis, Kostas A., Wayman, Joseph P., Martin, Thomas E., Hume, Julian P., Cardoso, Pedro, Faurby, Søren, Mendenhall, Chase D., Dufour, Paul, Rigal, François, Cooke, Rob, Whittaker, Robert J., Pigot, Alex L., Thébaud, Christophe, Jørgensen, Maria Wagner, Benavides, Eva, Soares, Filipa C., Ulrich, Werner, Kubota, Yasuhiro, Sadler, Jon P., Tobias, Joseph A. and Sayol, Ferran. (2024). The global loss of avian functional and phylogenetic diversity from anthropogenic extinctions. Science 386(6717): 55-60. https://doi.org/10.1126/science.adk7898 [Supplementary Materials; Dryad dataset; Zenodo codeset]
Matthews, Thomas J., Wayman, Joseph P., Cardoso, Pedro, Sayol, Ferran, Hume, Julian P., Ulrich, Werner, Tobias, Joseph A., Soares, Filipa C., Thébaud, Christophe, Martin, Thomas E. and Triantis, Kostas A. (2022). Threatened and extinct island endemic birds of the world: Distribution, threats and functional diversity. Journal of Biogeography 49(11): 1920-1940. https://doi.org/10.1111/jbi.14474 [Appendix S1 (.docx); Appendix S2 (.pdf)]
Miller, Loye Holmes. (1925). The birds of Rancho La Brea. Carnegie Institution of Washington Publication 349: 63-106.
Miller, Loye Holmes. (1928). Generic re-assignment of Morphnus daggetti. Condor 30(4): 255-256.
Miller, Loye Holmes. (1931). Pleistocene birds from the Carpinteria asphalt of California. University of California Publications Bulletin of the Department of Geological Sciences 20: 361-374.
Olson, Storrs L. (2007). The "walking eagle" Wetmoregyps daggetti Miller: a scaled-up version of the Savanna hawk (Buteogallus meridionalis). Ornithological Monographs, No. 63, pp. 110-114.
Sayol, Ferran, Steinbauer, Manuel J., Blackburn, Tim M., Antonelli, Alexandre and Faurby, Søren. (2020). Anthropogenic extinctions conceal widespread evolution of flightlessness in birds. Science Advances 6(49): eabb6095. https://doi.org/10.1126/sciadv.abb6095 [Supplementary Material (Data File S1)]
Steadman, D. W., and J. I. Mead. 2010. A late Pleistocene bird community at the northern edge of the tropics in Sonora, Mexico. American Midland Naturalist, 163(2):423-441.
Tyrberg, Tommy. (2008). The Late Pleistocene Continental Avian extinction – an evaluation of the fossil evidence. Oryctos 7: 249-269.