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California Condors Constantly Suffer From Lead Poisoning

California Condors Constantly Suffer From Lead Poisoning

The Humane Society, Audubon California and Defenders of Wildlife are pushing for California to become the first state to ban lead ammunition for all types of hunting to protect California condors and other wild animals.

In 2008, the state banned lead ammunition for hunting in the California condor’s historic range, which runs roughly from Los Angeles to San Jose, but the groups believe that a wider ban is necessary to prevent condors and other birds, such as bald eagles and vultures, from dying as a result of lead poisoning after eating animals that are shot by hunters.

When hunters leave carcasses or gut piles, they may contain lead shot pellets or bullet fragments. Scavengers who pick at the piles can develop lead poisoning, which can cause inability to fly, anemia, blindness, seizures, starvation and death.

“Countless wild animals suffer and die needlessly every year from the continued use of lead ammunition,” said Jennifer Fearing, state director of the Humane Society of the United States. “It is put in the environment and stays there. It’s toxic, and it’s cumulative.”

The California condor population was reduced to 22 birds by 1982, with the last wild condor brought into captivity in 1987. Captive breeding efforts have been very successful since they began in the 1980s and have boosted the population to around 400 birds who are now in the wild and in breeding programs.

Unfortunately, while the population has grown, condors still face the threat of exposure to toxic levels of lead and require a lot interference from people to keep them from disappearing from the landscape yet again. We’re now breeding them, releasing them, recapturing them, treating them for lead poisoning and releasing them again hoping they survive.

Last year a review of more than 1,154 blood samples taken from wild condors and tested between 1997 and 2010 found that 48 percent of the birds had levels of lead in their bodies that would have killed them without treatment in animal hospitals, reports Mercury News.

Some hunters are supportive of the move to ban lead ammunition and are voluntarily making the switch, but the NRA and others are balking at the idea, claiming that this is somehow an attempt to ban hunting altogether and arguing that there is a lack of evidence to support a ban.

However, studies at the University of California, Davis that were funded by the California Department of Fish and Game have found evidence that lead from ammunition often makes its way into carrion-eating birds and that bans on lead ammunition for hunting waterfowl and in condor habitat were effective in reducing lead exposure. An additional study conducted in 2012 matched isotope ratios found in bullets to those found in birds.

“We’re not against hunting,” said Dan Taylor, public policy director for Audubon California. “But hunting is a privilege. For hunting to continue in a state like California it must be done in the most ecologically and sound way possible.”

 

Watch Condors and Lead on PBS. See more from Oregon Field Guide.

Related Stories:

Lawsuit Launched to Save California Condors

95% of California Condors Poisoned by Lead

Animal Rights Groups Join to Get Wolves the Protection They Need

 

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Photo credit: Thinkstock

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173 comments

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7:54PM PDT on Mar 24, 2014

I had no idea this was going on. Thanks for the informative article.

11:56AM PDT on Apr 18, 2013

LiveScience, April 16, 2013

Lead Ammo Poisons Condors in Grand Canyon
By Douglas Main
Critically endangered condors that live near the Grand Canyon are being poisoned by lead used in ammunition, according to the Center for Biological Diversity, an environmental group. So far this year, seven out of the 80 California condors that live in the area have died, and three of these deaths have been "definitively linked to lead poisoning from ingesting spent lead ammunition fragments in carrion, and lead poisoning is suspected in the other four deaths," according to the group.
These raptors, the largest birds in North America, are especially vulnerable to poisoning from ammunition because they feed on dead animals, which have often been shot by hunters using lead bullets and shotgun pellets, studies on the birds have shown. The lead can then concentrate in their bodies, to devastating effect.
"Lead is dangerous to people and wildlife, even at very low levels, which is why it is critical that we take mandatory actions to remove it from ammunition and require less toxic alternatives," said Sandy Bahr, with the Sierra Club, in the statement.

8:55AM PDT on Mar 24, 2013

thanks for sharing :)

4:11AM PDT on Mar 10, 2013

The NRA are a gang of depraved dangerous criminals and they should be treated for what they are..a criminal gang and domestic terrorist organization. All criminals calling themselves "hunters" that follow that immoral depraved organization also should be locked up for life.

2:32PM PST on Mar 9, 2013

How tragic. :(

8:09PM PST on Mar 8, 2013

Isn't it bad enough that you have to kill anything but is it necessary to try and kill as much as possible with one bullet?

10:20PM PST on Mar 1, 2013

Just ban it and take the lead.

1:40PM PST on Mar 1, 2013

Should California ban lead ammunition? yes and so should every state in the disunion.

10:19PM PST on Feb 28, 2013

We must protect all the beautiful creatures of this earth. We are only as good as this.

4:45PM PST on Feb 28, 2013

:(

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