This Zenodo repository archives code and analysis for a manuscript that uses citizen science data to parse the role of climate and land cover on avian occupancy across the Western Ghats. This repository should be considered along with https://github.com/vjjan91/eBirdOccupancy. This version, v3.3, contains an updated READMe.md, reorganization of the data/, results/, and figs/ folder for ease of reproducibility. Please refer to the GitHub repository for detailed step-by-step instructions. To cite this repository: Pratik Rajan Gupte, Vijay Ramesh, Morgan W Tingley, VV Robin, & Ruth S DeFries. (2022). Source code and Supplementary material for "Using citizen science to parse climatic and landcover influences on bird occupancy within a tropical biodiversity hotspot" (v3.3). Zenodo. https://doi.org/10.5281/zenodo.6501805 To cite the associated publication: Ramesh, Vijay, Gupte, Pratik Rajan, Tingley, Morgan W, Robin, VV, DeFries, Ruth S. 2022. Using citizen science to parse climatic and landcover influences on bird occupancy within a tropical biodiversity hotspot. Ecography.