Defensive behaviour of the wild reindeer (Rangifer tarandus L.) under the aviameans impact

Thel ong-term scientific research results on the nature of the wild reindeer reaction to the aircraft (Mi-8 and An-2) operation in the eastern part territory of the Taimyr Peninsula are given in the article. The probability of the animal adaptation to the external irritants, including the aircraft, in the aspect of the variety of the self-protecting behavior as the adaptation to changing environmental conditions is discussed.