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The study is undertaken on the sites of Ayorou, Kandadji and Kokorou where still a significant population of Dendrocygna viduata remains. This study aims to know the spatiotemporal distribution of Dendrocygna viduata in the valley of the Niger River within the framework of the plan of installation of its valley. The methodology of the study initially consisted in cutting out each site in several circular stations of a radius of 100 m. Then observation points are set within the various types ofdoi:10.22271/j.ento.2021.v9.i6a.8877 fatcat:uqauxoo3efheddydeztxwkjzue