From: Qualitative skeletal correlates of wing shape in extant birds (Aves: Neoaves)
Relative eigenvalue
Cumulative eigenvalue
PCO1
0.19
PCO2
0.14
0.33
PCO3
0.07
0.40
PCO4
0.06
0.45
PCO5
0.05
0.50
PCO6
0.02
0.52
PCO7
0.54
PCO8
0.56