On the axis of the Quistococha-Llanchama highway, located in the district of San Juan Bautista, in the Loreto region, obviously, for different reasons the phenomenon of deforestation is occurring, which has as one of its effects the loss of bird biodiversity, so in this research work we asked ourselves the following question: To what extent is deforestation influencing the loss of bird diversity on the Quistococha-Llanchama highway? In order to answer this question, we set ourselves the followingobjective, "to know the degree of deforestation and the loss of bird diversity on the Quistococha-Llanchama highway". In order to know the degree of reforestation, satellite images were used, duly georeferenced at a scale of 1/100,000 from the years 2005, 2010, 2015 and 2018. The composition and abundance of bird diversity was determined using the linear transect method, for the capture of birds,...