Many travelers collected bird specimens from Iran (Persia), either to support their identifi cations or in order to unravel subspecies taxonomy of the birds of Iran. This article is trying to note expeditions by the world-famous ornithologist Nikolai Alekseevich Zarudny during his travels in Iran which have alreadypublished in different books or reported papers. Zarudny conducted four prominent expeditions during 1896 until 1904 to Eastern, Central, and Western parts of Iran. These expeditions supported by the Russian Academy of Sciences, the Russian Geographic Society, and the St. Petersburg Zoological Museum. He collected, identifi ed, and published rich materials on the fauna of this region, especially on the birds. Zarudny deposited lots of skin materials of bird fauna of Iran that constitute about 11% of ornithological collection in National University of Uzbekistan. Herewith, his expedition routes and main fi nding has been explained in details in the text and on the maps. Each expedition is supplied with annotations, giving the localities and time of year where the bird observations had been made. These data are also superimposed on a separate maps supplied with coordinates. This information potentially could be used to prepare a historical atlas of observed distribution birds in Iran.

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