Maldonado-Chaparro, A. A., Martin, J. G. A., Armitage, K. B., Oli, M. K., & Blumstein, D. T. (2015). Environmentally induced phenotypic variation in wild yellow-bellied marmots. Journal of Mammalogy, 96(2), 269-278. doi:10.1093/jmammal/gyu006.