Oiling Raven Eggs Doubles Sage Grouse Nest Survival, Study Finds
A new study has found that applying non-toxic mineral oil to common raven eggs can curb raven reproduction, benefiting the vulnerable greater sage-grouse. In areas where the technique was used, sage-grouse nest survival more than doubled and their relative abundance rose by 44%. The method works by limiting the raven population, which preys on sage-grouse nests and chicks. However, researchers cautioned that egg-oiling alone is not sufficient for long-term conservation. Protecting natural habitat and reducing human activities that inadvertently support raven populations remain essential steps.
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