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<p>Sarus crane, <i>Antigone antigone</i>, is the tallest flying resident crane in India. As these birds use agricultural fields as foraging and nesting grounds, they are exposed to environmental contaminants from agricultural runoff. This study documents the presence of the residue of selected agrochemicals in the tissues of birds from electrocution. Vital tissues, including liver, muscle, kidney, brain, and gut content from 14 individuals, were analyzed to determine the presence of 67 pesticide residues using Gas Chromatography–Mass Spectrometry and Liquid Chromatography–Mass Spectrometry. Sixty-four percent of the birds that were tested had at least one pesticide residue. Out of 67 chemicals tested, residues of only 4 chemicals, namely Chlorpyrifos, Dichlorodiphenyltrichloroethane, Hexachlorocyclohexane, and Endosulfan, were at detectable levels. This study presents the first report on pesticide levels in <i>A. antigone</i> in Uttar Pradesh, India. Although the levels of pesticide detected were below the previously reported levels, the mortality due to pesticide poisoning and power lines across the entire distribution range of Sarus cranes in India remains a cause for concern.</p>

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A Resident’s Risk: An Assessment of Pesticide Residues in the Tissues of Sarus Cranes (Antigone antigone) from Agricultural Foraging Grounds in Uttar Pradesh, India

  • 期刊论文

  • 发表日期：

    2025年11月30日

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  • Madhumita Rajkumar,
  • Kanthan Nambirajan,
  • Subramanian Muralidharan,
  • Gaurav S. Singh,
  • Gautam Kadam,
  • Karthikeyan Prakasham,
  • E. Jeevitha

摘要

Sarus crane, Antigone antigone, is the tallest flying resident crane in India. As these birds use agricultural fields as foraging and nesting grounds, they are exposed to environmental contaminants from agricultural runoff. This study documents the presence of the residue of selected agrochemicals in the tissues of birds from electrocution. Vital tissues, including liver, muscle, kidney, brain, and gut content from 14 individuals, were analyzed to determine the presence of 67 pesticide residues using Gas Chromatography–Mass Spectrometry and Liquid Chromatography–Mass Spectrometry. Sixty-four percent of the birds that were tested had at least one pesticide residue. Out of 67 chemicals tested, residues of only 4 chemicals, namely Chlorpyrifos, Dichlorodiphenyltrichloroethane, Hexachlorocyclohexane, and Endosulfan, were at detectable levels. This study presents the first report on pesticide levels in A. antigone in Uttar Pradesh, India. Although the levels of pesticide detected were below the previously reported levels, the mortality due to pesticide poisoning and power lines across the entire distribution range of Sarus cranes in India remains a cause for concern.