作者: Robert C. Lasiewski
DOI: 10.1086/PHYSZOOL.37.2.30152332
关键词:
摘要: RECENT studies on the metabolism of hummingbirds (Lasiewski, 1963) have revealed that, although energetic cost small size in is high, it not as high had been previously reported. These outlined responses torpid, resting, active, and flying to temperature. The results showed that are "indifferent" homeotherms, suggested by Pearson (1960), but ability maintain homeothermy all night over a wide range ambient temperatures, thereby qualifying "stubborn homeo-