• Two decades of cumulative impacts to survivorship of endangered California condors in California

      Kelly, Terra R.; Rideout, Bruce; Grantham, Jesse; Brandt, Joseph; Burnett, L. Joseph; Sorenson, Kelly J.; George, Daniel; Welch, Alacia; Moen, David; Rasico, James; et al. (2015)
      …Lead poisoning, which was a major driver in the population's decline, was a leading cause of death accounting for the greatest adult mortality, and lead exposure remains the most significant threat. Recent lead ammunition reduction efforts in the condor range in California hold promise for improving the recovery potential for this population.