The objective of this work was to describe the nesting behavior of the Andean hummingbird (Amazilia franciae Bourcier & Mulsant, 1846) and to classify the ecosystem services it provides in the peasant community of Yananyac, Huancavelica, Peru according to the evaluation of the Millennium Ecosystems of the United Nations. Monitoring of ten Andean hummingbird nests was carried out in the months of April and May 2021 in an agricultural area of ​​the peasant community of Yananyac. The nests were located between bushes and fruit-bearing plants, at an average height of 1.84 m. The nests were made with a base of dry leaves, cobwebs, lichens, feathers, flower stamens and seeds; covered with fibers, built mainly with the scales and trichomes of ferns, with an average depth of 18.4 mm. The eggs are white and oval in shape, measuring 7.44 mm wide and 12.3 mm long. The chicks presented diffe...

Solid waste was characterized and quantified in a rural community, district of Vitis, in the province of Lima, Peru in order to determine the district's per capita production, density, composition and humidity of household and non-household waste for proper planning of the management. In the first category, a per capita generation of 0.39 kg/hab/day, density 241.61 kg / m, composition UW (usable waste) (77%), UUW (unusable waste) (23%), OW (organic waste) (69%), RI (inorganic waste) (8 %) and plastic (1.86%) of the total collected, followed by glass, paper, cardboard, textiles, packaging, rubbers and metals), with humidity (72.10%). And in the second category there was a per capita generation of 0.29 kg/hab/day, density 213.62 kg/m, composition UW (66%), UUW (34%), OW (44%), IW (22%) and plastic (4.5%) of the total collected, followed by glass, paper, cardboard, packaging, textiles and m...