California's lead-ammo bans are working, but expanding condor ranges undercut gains

Recent data showing an increase in lead exposure and deaths among critically endangered California condors seems to fly in the face of decades of conservation measures, including bans on lead bullets and public-education campaigns about the plight of this once-vanishing raptor. But new research by an environmental toxicologist at the University of California, Santa Cruz and her team shows that the unfortunate rise is despite the clear efficacy of the lead bans and outreach efforts.