After going through a few meat eater podcasts series, it seems that the ban on rifle projectiles with lead core started with the condor in California.
They were ingesting lead from carcasses of animals shot by hunters.
The lead poisoning or saturnisme ( in French ) is well known regarding water fowls that need to eat small stones in their stomach in order to crush and digest their food.
When the stones at the bottom of the pond are replaced by lead pellets, the bird eventually dies of lead poisoning.
It seems that only birds and among them ducks and raptors are affected by lead poisoning.
It seems that no other game animals, essentially mammals are affected by that problem.
You can listen to episode 373 of meat eater podcast at 1hr18 min.
And there was another podcast last year where they interviewed the guy who did all the research on the Californian condor and helped to implement the ban on lead core projectiles.
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