Video instructions These calculations are made using the microclimate and ectotherm models of NicheMapR driven by the ERA5 reanalysis (1951-2023), or the SILO dataset (1889-yesterday), 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