Birds are an important group in the fauna of the wetland of the Pantanos de Villa Wildlife Refuge, Lima, Peru. Th e Passeriformes that are specialists in this wetland, such as Wren-like rushbird [Phleocryptes melanops (Vieillot, 1817)] and the Many-colored rush tyrant [Tachuris rubrigastra (Vieillot, 1817)], make their nests in the wetland vegetation. Th erefore, its reproduction and its relationship with vegetation were studied in this research. Nests of both species were searched between May to October 2022 in the Génesis lagoon, and in the Mayor Lagoon. A description of the reproductive behavior in incubation, chicks, and reproductive success, etc. was made. In the vegetation, data were taken such as the height of the vegetation, the vegetation cover, the measurements of the nest, height of the nest, number of leaves that support the nest, among others. While, for parental behavior, ...