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Hypothermia of broadtailed hummingbirds during incubation in nature with ecological correlations

Authors: Calder, W. A.; Booser, J.
Year: 1973
Journal: Science, Vol. 180, pp. 751-753
Publisher: UNKNOWN
DOI: 10.1126/science.180.4087.751
Keywords: ANIMAL PHYSIOLOGY, APODIFORMES, ORNITHOLOGY, RMBL, TROCHILIDAE

Abstract

The first continuous recordings of natural hypothermia, and the only evidences of hypothermia during incubation, were obtained from temperature sensors embedded in synthetic hummingbird eggs placed in the nests. Resorting to this energy-conserving process was infrequent and could be correlated with reduced opportunity for energy intake.

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