Figure 3From: Morphometric characterisation of wing feathers of the barn owl Tyto alba pratincola and the pigeon Columba livia Asymmetry of barn owl and pigeon wing feathers. Asymmetry index of depth. Presents the asymmetry of the depth in the remiges (A, B) and coverts (C, D) in the barn owl (A, C) and the pigeon (B, D). The colours indicate different feathers. Their position is presented at the wing.Back to article page