Individual Signatures Encoded in House Sparrow Passer domesticus Chirrup Calls

This is the data and R code for Aria Zhang's Master of Research thesis submitted to Imperial College London in August 2025. The repository contains the following files: Sparrow Rmd.Rmd: R code for data processing and analysis. Sparrow Chirrup.zip: .wav format recordings of house sparrow chirrup calls collected from the Lundy Island house sparrow population in 2025 calls.csv: the acoustic parameter measurements of chirrup calls recordings.csv: metadata of the information of the recordings where chirrup calls were extracted individuals.csv: data of individual house sparrows from the population, including age, sex, and family tree, extracted from the Lundy Sparrow Database