Winter body mass of Pacific dunlins. a) Masses and b) predicted masses generated by third degree b-splines of dunlins captured on the Fraser River Delta during the winters of 1978/79 (in black) and 1994 - 2000 (in grey). See methods for details.
Ydenberg et al. BMC Ecology 2010 10:1 doi:10.1186/1472-6785-10-1