Bald Eagle Welfare: Lead Poisoning from Hunting Ammunition in the USA

The bald eagle (Haliaeetus leucocephalus) recovered from DDT-driven near-extinction to over 300,000 individuals across North America by 2024. Yet lead poisoning from ingesting gut piles and carcasses contaminated with lead rifle bullets and shotgun pellets continues to kill hundreds of bald eagles annually.

Key Facts

Lead poisoning is the leading cause of illness and death in bald eagles brought to US wildlife rehabilitation centres
Eagles feeding on deer gut piles and wounded game animals ingest lead rifle bullet fragments that shatter throughout carcasses
Non-lead copper ammunition is available at comparable prices and has equivalent ballistic performance
California has banned lead ammunition for all hunting since 2019 — eagle blood lead levels in the state have fallen significantly
Bald eagle blood lead levels show seasonal peaks corresponding to hunting seasons in most US states

Welfare Considerations

Lead-poisoned bald eagles are found grounded and unable to fly, showing signs of neurological damage: star-gazing posture, loss of coordination, and inability to hold their head upright. Chelation therapy can save mildly poisoned birds, but severely poisoned eagles sustain permanent neurological damage preventing release. Wildlife rehabilitation centres treat hundreds of lead-poisoned eagles annually, with treatment success declining as lead burden increases. The welfare case for non-lead ammunition is clear and the technical barriers minimal: the primary obstacle is cultural resistance within hunting communities. California's example demonstrates that policy change produces rapid measurable welfare improvement.

What You Can Do

If you hunt, switch to non-lead copper ammunition for all hunting to eliminate eagle lead poisoning from your activities
Support American Eagle Foundation and Raptor Research Foundation lead ammunition campaigns
Advocate for non-lead ammunition requirements in your state — follow California's successful policy model
Donate to wildlife rehabilitation centres treating lead-poisoned eagles
Raise awareness among hunting communities that non-lead ammunition is equally effective and protects wildlife they value