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Related Experiment Videos

Suspected lead toxicosis in a bald eagle

E Jacobson, J W Carpenter, M Novilla

    Journal of the American Veterinary Medical Association
    |November 1, 1977
    PubMed
    Summary

    An immature bald eagle died from lead toxicosis. Necropsy revealed numerous lead shot in its gizzard, confirming high lead levels in its tissues.

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    Area of Science:

    • Veterinary Pathology
    • Wildlife Toxicology
    • Avian Medicine

    Background:

    • Lead toxicosis is a significant threat to avian wildlife, particularly raptors.
    • Immature bald eagles are susceptible to environmental toxins due to foraging behaviors.

    Observation:

    • An immature bald eagle presented with emaciation, diarrhea, and ataxia.
    • The bird experienced respiratory distress and mortality post-radiography.

    Findings:

    • Post-mortem examination identified numerous lead shot pellets within the gizzard.
    • High concentrations of lead (22.9 ppm in liver, 11.3 ppm in kidney) were detected in tissue samples.
    • Clinical signs and necropsy results were consistent with lead poisoning.

    Implications:

    • This case highlights the critical risk of lead exposure from ingested ammunition in bald eagles.
    • Veterinary diagnostics and toxicological analysis are crucial for identifying lead toxicosis in wildlife.
    • Conservation efforts should address sources of lead contamination to protect endangered raptor populations.

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