Log-ratio diagram showing proportions of the post-cranial skeleton in extinct and extant megapodes; all measurements in millimetres, log-transformed and expressed as a proportion of comparator galliform species, Ga. gallus (domestic chicken). HL, humerus length; HP, humerus proximal width; HM, humerus midshaft width; HD, humerus distal width; UL, ulna length; UP, ulna proximal width; UM, ulna midshaft width; UD, ulna distal width; CL, coracoid length; CM, coracoid midshaft width; CO, coracoid omal width; CS, coracoid sternal width; CML, carpometacarpus length; CMP, carpometacarpus proximal width; CMD, carpometacarpus distal width; FL, femur length; FPW, femur proximal width; FMW, femur midshaft width; FD, femur distal width; TL, tibiotarsus length; TP, tibiotarsus proximal width; TM, tibiotarsus midshaft width; TD, tibiotarsus distal width; TML, tarsometatarsus length; TMPW, tarsometatarsus proximal width; TMM, tarsometatarsus midshaft width; TMMD, tarsometatarsus midshaft depth; TMDW, tarsometatarsus distal width.