On the Behaviour of the North American Moose (Alces Alces Andersoni Peterson 1950) in British Columbia

作者: Valerius Geist

DOI: 10.1163/156853963X00095

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摘要: 1. Moose were observed in Wells Gray Provincial Park, British Columbia, Canada, during two summers and one short winter period. The aim of the paper is to describe their behaviour. 2. comfort movements, stretching, yawning, shaking, rubbing scratching, described. It was found that 67% all as well urination defecation fell into first last five minutes activity. occurrence movements varied further with season year environmental conditions. 3. Lying down getting up 4. postures cow bull be same. 5. manner feeding 6. lipcurl (Flehmen) 7. can threaten head high, low, a defensive threat, or antlers. postulated interaction flight aggression produce posture similar high threat on hand, circling run front opponent other. 8. Sociability moose fluctuates season. In summer are mainly solitary; more gregarious. contrast red deer, calves do not group. Bulls however, form loose clubs. No leadership these clubs apparent. Young bulls usually less dominant than old bulls. Cows groups cohesive 9. Play consist running aggressive From 73 recorded plays 55 showed agonistic behaviour; 40 games. Mounting only once. 10. Naso-nasal naso-genital testing former exclusively spring, other almost fall. 11. During rut, towards yearlings. 12. Bull rut dig rutting pits legs. They may urinate pit frequently 10 times succession. wallows pit. seen wallow bull's occasions. 13. Calf yearling occasionally surprisingly tame, if company adult moose. adults, reaction disturbance, freeze an attention posture. hind stop look back at cause disturbance. 14. flee from black bear. An observation bear molesting her calf recorded. retreat vicinity wolves. 15. average four activity peaks daylight hours spring early (Fig. 17). Activity periods (90-100 min.) about half long (30-40 min.). Resting equal length (140-160 Nearly 90-100% period spent feeding. morning evening longer mid-day. summer, feed every 2-3 hours. 16. territory fixed geographic type appear have "individual distance". home range consists range. subalpine zone like seems limited extent.

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