Viscoelastic Characterization of Long-Eared Owl Flight Feather Shaft and the Damping Ability Analysis

Table 2

Peak value of the loss tangent () of the feather shaft specimens.

Owl specimen		Pigeon specimen		Eagle specimen
1	1.746	1	0.919	1	1.052
2	1.954	2	0.914	2	1.157
3	1.447	3	0.932	3	1.140
4	1.522	4	0.754	4	1.109
5	1.376	5	0.963	5	0.976