About the Authors

Emilie Champagne

Affiliations Département de biologie, Université Laval, Québec, Qc, Canada, Centre d'Études Nordiques, Université Laval, Québec, Qc, Canada

Jean-Pierre Tremblay

jean-pierre.tremblay@bio.ulaval.ca

Affiliations Département de biologie, Université Laval, Québec, Qc, Canada, Centre d'Études Nordiques, Université Laval, Québec, Qc, Canada

Steeve D. Côté

Affiliations Département de biologie, Université Laval, Québec, Qc, Canada, Centre d'Études Nordiques, Université Laval, Québec, Qc, Canada

Competing Interests

The authors declare their commercial funders as a competing interest. This project is part of the Caribou Ungava research program (http://www.caribou-ungava.ulaval.ca/en/accueil/) funded by NSERC, Ressources naturelles et Faune Québec, ArcticNet, Fonds de recherche sur la nature et les technologies du Gouvernement du Québec, Hydro Québec, Xstrata Nickel, Fédération des pourvoiries du Québec inc., Fédération québécoise des chasseurs et pêcheurs, First Air, Makivik Corporation, CARMA, International Polar Year, Canada Foundation for Innovation, Institute for Environmental Monitoring and Research, Fondation de la Faune du Québec, Ouranos, and the Canadian Wildlife Federation. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JPT SC. Performed the experiments: EC JPT SC. Analyzed the data: EC. Wrote the paper: EC JPT SC.