Sergei Aleksandrovich Buturlin ; 22 September 1872 in Montreux – 22 January 1938 in Moscow was a Russian ornithologist. He was a pioneer in Russia of the study of the diversity of species and described more than 200 new species of bird.

Ross's gull is a small gull, the only species in its genus, although it has been suggested it should be moved to the genus Hydrocoloeus, which otherwise only includes the little gull. This bird is named after the British explorer James Clark Ross. Its breeding grounds were first discovered in 1905 by Sergei Aleksandrovich Buturlin near the village of Pokhodsk in North-Eastern Yakutia, while visiting the area as a judge. The genus name Rhodostethia is from Ancient Greek rhodon, "rose", and stethos, "breast". The specific rosea is Latin for "rose-coloured".