Fig. 1From: Incubation strategies of the Black-necked Crane (Grus nigricollis) in relation to ambient temperature and time of dayChanges of ambient temperature (mean ± SE; a), and total nest attendance (mean ± SE) of two parents (b), females (filled circles; c), and males (open circles; c) with time of day. The number of nests used in the analyses is 11 except during 18:30–20:29 when it is 10, also applying to Figs. 2, 3, and 4 Back to article page