T. Code 1957 Falco rusticolus - temp data 22 July Barrow In the lab - air temp = 21,3°C Start at 2035. Time Measurement Temp. Featherdepth 2111 Feather surface at throat 25.4 2111 Skin at throat 34.4 20 mm 2100 Feather surface below crop 24.8 - " Skin below crop 34.2 17 mm 2106 Feather surface of belly (footlevel) 24.2 " Skin of belly 36.8° 50 mm 2114 Between thighs & body 40.8° 55 mm 2115 Between wings & body (tail) 40.4° 2118 Feather surface back of neck 24.2° 2118 Skin at back of neck 34.2° 30 mm 2120 Feather surface mid scapular 23.2° 2120 Skin of mid scapular 34.4° 10 mm 2128 Feather surface of rump 24.5° 2128 Skin of rump 34.8° 15 mm 2117 dorsal surface mid toe 32.6 2130 air = 21,3° - bird paralysed throughout experiment - getting heavier towards end. 24 July Barrow ♀ shooled in lab - air temp = 19,6°C Time 1100. Temperatures of belly area: surface = 21.0°, 10 mm deep = 25°, 20 mm deep = 28°, 48 mm deep at skin surface = 37.0°C. Temp between thigh & body = 40.6°C, 55 mm deep.