Namgail, T., Takekawa, J. Y., Sivananinthaperumal, B., Sathiyaselvam, P., Areendran, G., Sathiyaselvam, P., … Newman, S. (2013). Ruddy Shelduck Tadorna ferruginea home range and habitat use during the non-breeding season in Assam, India. Wildfowl, 182–193. Retrieved from https://tidsskrift.dk/Wildfowl/article/view/153544