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. 2022 Feb 14;12(4):465. doi: 10.3390/ani12040465

Figure 2.

Figure 2

Foraging behavior of bean geese ((a) Population N; (b) Population N1; (c) Population N2) of different noise intensity (ZR (background noise), 60, 70, 80, 90, and 100 dB). Different letters in the graphs represent significant differences from one-way ANOVA and SNK test. Bars represent means; error bars denote standard deviations. The bar with the highest foraging behavior ratio is marked as “a”. The foraging behavior ratio is compared with other noise gradients, and the difference is significant, marked as “b” and “c”.