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Data file for: A neonicotinoid insecticide reduces fueling and delays migration in songbirds
| Description: | Abstract: Neonicotinoids are neurotoxic insecticides widely used as seed treatments, but little is known of their effects on migrating birds that forage in agricultural areas. We tracked the migratory movements of imidacloprid-exposed songbirds at a landscape scale using a combination of experimental dosing and automated radio telemetry. Ingestion of field-realistic quantities of imidacloprid (1.2 or 3.9 milligrams per kilogram body mass) by white-crowned sparrows (Zonotrichia leucophrys) during migratory stopover caused a rapid reduction in food consumption, mass, and fat and significantly affected probability of departure. Birds in the high dose group stayed a median of 3.5 days longer at the site of capture after exposure as compared with controls, likely to regain fuel stores or recover from intoxication. Migration delays can carry over to affect survival and reproduction; thus, these results confirm a link between sublethal pesticide exposure and adverse outcomes for migratory bird populations. Sheet 1: Body condition (mass, fat, lean mass) and stopover duration Sheet 2: Food consumption data Sheet 3: Speed data |
| Notes: | Item exited embargo and became publicly available on 2019-09-13 |
| Authors: | Eng, Margaret L.; University of Saskatchewan Stutchbury, Bridget J.M.; York University Morrissey, Christy A.; University of Saskatchewan |
| Keywords: | imidacloprid Motus Wildlife Tracking System radiotelemetry white-crowned sparrows migration |
| Field of Research: | Biological sciences > Zoology > Animal behaviour
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| Publication Date: | 2019-09-03 |
| Publisher: | Federated Research Data Repository / dépôt fédéré de données de recherche |
| Funder: | Natural Sciences and Engineering Research Council of Canada (NSERC) Molson Foundation Mitacs; Accelerate Fellowship |
| URI: | https://doi.org/10.20383/101.0174 |
| Related Identifiers: |
This dataset is cited by
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| Geographic Coverage: | Place Name Long Point Province / Province / Territory Ontario Territory Country Canada |
| Geographic Point: | Latitude 42.5829 Longitude -80.3985 |
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Access to this dataset is subject to the following terms:
Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/
Citation
Eng, M., Stutchbury, B., Morrissey, C. (2019). Data file for: A neonicotinoid insecticide reduces fueling and delays migration in songbirds. Federated Research Data Repository. https://doi.org/10.20383/101.0174
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