The Status of Glaucous Gulls Larus hyperboreus in the Circumpolar Arctic

Petersen, A, Irons, D.B., Gilchrist, H.G., Robertson, G.J., Boertmann, D., Strøm, H., Gavrilo, M., Artukhin, Y. , Clausen, D.S., Kuletz, K.J., Mallory, M.L. 2015. The Status of Glaucous Gulls Larus hyperboreus in the Circumpolar Arctic. Arctic 68: 107-120