Status and Trends of the Ferruginous Duck’s (<i>Aythya nyroca</i>) Wintering Population in Morocco: Analysis of 35 Years of Winter Census Data (1983-2017)

<div>Evolution of the total winter counts and the number of wetlands where the Ferruginous duck has been observed in Morocco during the period 1983-2017.</div>

International Journal of Zoology

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Figure 1

Figure 1: Status and Trends of the Ferruginous Duck’s (<i>Aythya nyroca</i>) Wintering Population in Morocco: Analysis of 35 Years of Winter Census Data (1983-2017) 

Figure 1 | Status and Trends of the Ferruginous Duck’s (Aythya nyroca) Wintering Population in Morocco: Analysis of 35 Years of Winter Census Data (1983-2017) 