Time-dependent thresholds for torpor ini
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Sara M. Hiebert
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Article
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1992
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Springer-Verlag
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English
β 780 KB
Three models for torpor initiation were tested in rufous hummingbirds (Selasphorus rufus) during moult, when these birds appear to avoid the use of torpor. In model 1, the level of energy reserves at which torpor is initiated (the "threshold") remains constant throughout the night. In model 2, the t