V signale okrikivaniya pestsa na o-ve Mednyi byla zamechena tendentsiya k gruppirovke zvukov v raznye posledovatel'nosti. Podobnoe yavlenie shiroko izucheno na kolonial'nykh gryzunakh otkrytykh prostranstv, odnako u psovykh ono prakticheski ne opisano. V dannoi rabote predprinyata popytka vydeleniya i opisaniya razlichnykh tipov posledovatel'nostei v signale okrikivaniya pestsa, obitayushchego na o-ve Mednyi. Dlya etoi tseli ispol'zovali metod determinatsionnogo analiza i metod vyyavleniya skrytykh vremennykh patternov v povedenii zhivotnykh. Determinatsionnyi analiz pozvolil vyyavit' pravila formirovaniya posledovatel'nostei, kotorye uchityvayut tol'ko zvuki, otstoyashchie ne bolee chem na odnu pozitsiyu ot dannogo. Dlya opredeleniya struktury strofy v tselom bolee effektivnym okazalsya metod analiza skrytykh patternov, kotoryi vyyavil dva dvuchlennykh patterna, analogichnykh poluchennym v rezul'tate determinatsionnogo analiza, i dva trekhchlennykh patterna, fakticheski yavlyayushchikhsya variantami odnoi i toi zhe stereotipnoi posledovatel'nosti. V tselom, analiz struktury posledovatel'nostei pokazyvaet, chto naibolee chasto v signale okrikivaniya pestsa vstrechayutsya sleduyushchie perekhody: lai lai; plach plach; lai plach serial'nyi lai pauza. Eti zakonomernosti otrazhayut dva tipa posledovatel'nostei, vydelyaemykh v signale okrikivaniya pestsa: serii (posledovatel'nosti zvukov odnogo tipa) i strofy (posledovatel'nosti zvukov raznogo tipa). Po-vidimomu, odnoi iz funktsii strofy yavlyaetsya vnesenie raznoobraziya v monotonnye serii laya i placha, chtoby snizit' privykanie retsipienta k signalu.

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