What is the best way to estimate vigilance? A comparison of two methods for Gunnison's prairie dogs, Cynomys gunnisoni
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- 作者：Ian M. Hirschlera ; ihirschler1990@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Jennifer L. Gedertb ; 1 ; Jessica Majorsc ; 2 ; Tucker Townsendd ; 3 ; John L. Hooglande ; 4
- 关键词：alertness ; Cynomys gunnisoni ; focal sample ; prairie dog ; scan sample ; vigilance
- 刊名：Animal Behaviour
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：121
- 期：Complete
- 页码：117-122
- 全文大小：356 K
文摘
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We studied vigilance of Gunnison's prairie dogs living under natural conditions.
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We compared results from scan sampling versus focal sampling.
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Results come from different individuals and from the same individuals over time.
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Scan sampling consistently yielded higher estimates of vigilance than focal samples.