Reports

Regulation of Oxygen Consumption and Body Temperature during Torpor in a Hummingbird, Eulampis jugularls

Science  17 Apr 1970:
Vol. 168, Issue 3929, pp. 368-369
DOI: 10.1126/science.168.3929.368

Abstract

The West Indian hummingbird, Eulampis jugularis, maintained its body temperature in torpor at 18° to 20°C over an ambient temperature range of 2.5° to 18°C. At ambient below 18°C oxygen consumption during torpor increased linearly with decreasing temperature. Thermal conductances were the same for resting and torpid Eulampis regulating their body temperatures at 40° and 18°C, respectively.

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