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Figure 6 | Frontiers in Zoology

Figure 6

From: Morphometric characterisation of wing feathers of the barn owl Tyto alba pratincola and the pigeon Columba livia

Figure 6

Barb density of wing feathers of the barn owl and the pigeon. The number of barbs per cm at the inner (iv) and outer vane (ov) of remiges (A, B) and coverts (C, D) from the barn owl (A, C) and the pigeon (C, D) are shown. The mean barb density per cm was calculated by dividing the total number of barbs by 10% (respectively 20%) of vane's length. The colours indicate different feathers. Their position is presented at the wing.

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