Physiology of the temperature of birds

Abstract

Bodytemperature of adult birds taken with a mercury thermometer 13 II.Influence of room temperature on accuracy of recording potentiometer 20 III.Standard temperature 27 IV.Variation in standard temperature with season 30 V. Maximum body temperature of the eastern house wren 32 VI.Maximum body temperature of other birds .33 VII.Fall in body temperature of birds when held in the hand after capture 35 VIII.Recovery of adult birds from low body temperature 49 IX.Rate of respiratory movements at different body temperatures 51 X. Skin temperature of the eastern house wren .57 XI.Average differences in skin temperature between sexes of eastern house wren .... 58 XII.Relation between the skin and internal body temperatures of the female eastern house wren at different air temperatures .... 60 XIII.Periods of attentiveness and inattentiveness in various species of birds (females) .... 66 XIV.Body temperature of passeriform birds, females, during the period of incubation . .70 XV.Time of daily maximum and minimum bird temperatures 88 XVI.Daily extremes and range in temperature of female birds on the nest 89