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. 2009 Jul 31;212(16):2604–2611. doi: 10.1242/jeb.028100

Fig. 5.

Fig. 5.

Wingbeat frequency (n; A), wing stroke amplitude (Φ; B) and average wing angular velocity (Inline graphic; C) for nurses during hovering in air (norm) and hovering in the MGD (max). Asterisks indicate significant differences between normal and maximal hovering for n, Φ and ω (paired t-test: P<0.001 in each case).