TABLE 2.

Summary of taxonomic and geographical differences of extant, non‐domesticated mammal species recognised in each taxonomic source: The Handbook of the Mammals of the World (HMW), the Illustrated Checklist of the Mammals of the World (CMW), and version 1.2 of the Mammal Diversity Database (MDD). All species listed as domesticated and extinct have been removed from this summary. Note that multiple categories can apply to a single taxonomic revision

	Differences in CMW from HMW	Differences in MDD v1.2 from CMW
Range changes	44	2
Name changes	146	66
Splits	94 species into 220 species	38 species into 97 species
Lumps	68 species into 32 species	210 species into 59 species
New species	95	20