A new approach to study organization of wolves’ activity (<Emphasis Type="Italic">Canis lupus</Emphasis>) in time sequences |
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Authors: | A A Yachmennikova A D Poyarkov |
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Institution: | (1) Department of Vertebrate Zoology, Faculty of Biology, Moscow State University, Vorobiovy Gory, 1/12, Moscow, 119992, Russia;(2) Central Forest State Nature Reserve, Zapovednik, Nelidovo District, Tver, Tver region, 172513, Russia;(3) Kamchatka Branch of Pacific Institute of Geography of Russian Academy of Sciences, Prospect Rybakov, 19a, Petropavlovsk-Kamchatsky, 683024, Russia;(4) Alaska Sealife Center, P.O. Box 1329, 301 Railway Avenue, Seward, AK 99664, USA;(5) WDCS, the Whale and Dolphin Conservation Society, 29A Dirleton Avenue, North Berwick, Scotland, EH39 4BE, UK |
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Abstract: | A group of four wolves 1–7 months old was observed. The wolves were kept in 1.5 hectare forest aviaries. Twenty-four-hour
observation was performed once every 7–10 days in summer time and once every 15–20 days in autumn. Using the time slice method,
the activity type of each animal was registered each minute. Eighteen types of activity were recorded. The sequential stream
of activity of all four animals was analyzed to find time patterns that are repetitive events not randomly following each
other within the critical time interval. A lot of types of time patterns including different activities were observed (1300–13
500 types). There are patterns of individual, social, and mixed activities. A dramatic increase followed by s decrease in
the number of pattern types was registered in the period from the 75th to the 115th days. Other important changes in ontogenesis
of growing wolf cubs are related to this period. |
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