Video instructions These calculations are made using the microclimate model of NicheMapR driven by the NCEP reanalysis (1949-2019) or the ERA5 reanalysis (2000-2021) meteorological grids via integration with the microclima package, and the ectotherm/Dynamic Energy Budget model of NicheMapR, drawing from the AmP collection of DEB parameters as of May 2025 (6,000 species). For more details see here. Send feedback or issues to m.kearney@unimelb.edu.au. Photo credit: Michael Kearney.