The data consists of a table with 16 variables and 70299 records. The variables are as follows: ID A sequential ID for the record. ID_GBIF The Species ID according to the Global Biodiversity Information Facility (GBIF) ID_IUCN The Species ID according to the International Union for the Conservation of Nature (IUCN) Order Taxonomic order according to IUCN Family Taxonomic Family according to IUCN Genus Taxonomic Genus according to IUCN Species Name Taxonomic species with an underscore separating genus and epithet Name2 Taxonomic species with a space separating genus and epithet. Long Decimal longitude with a precision of 1.1 km at the equator. Lat Decimal latitude with a precision of 1.1 km at the equator Country Country where the coordinates are located. bio1 Annual mean temperature (centigrade X10) bio5 Maximum temperature of the warmest month (centigrade X 10) bio6 Minimum temperature of the coldest month (centigrade X 10) bio12 Accumulated annual precipitation (mm) The climatic variables are from WorldClim version 1.4, at 10' of resolution, as described in Hijmans, R.J., S.E. Cameron, J.L. Parra, P.G. Jones and A. Jarvis, 2005. Very high resolution interpolated climate surfaces for global land areas. International Journal of Climatology 25: 1965-1978. There are 69,989 climatic combinations, for each unique longitude and latitude of the GBIF data. This is a small sample of the entire raster for the four variables used, filtered through the presences of the North American terrestrial mammal species.