Pleistocene to Recent dietary shifts in California Condors

Chamberlain, C.P., Waldbauer, J.R., Fox-Dobbs, K., Newsome, S.D., Koch, P.L., Smith, D.R., Church, M.E., Chamberlain, S.D., Sorenson, K.J., and Risebrough, R., Pleistocene to Recent dietary shifts in California Condors, (2005) Proceedings to the National Academy of Sciences, v. 102, p. 351-366. doi: 10.1073/pnas.0508529102