This is the case in duikers and other small bovids. This is also true of the accounts involving to mythological bovids. The four-horned antelope is one of the smallest Asian bovids. Tiger populations thrive where populations of wild cervids, bovids and suids are stable. The general dental formula for bovids is . Mating seasons occur typically during the rainy months for most bovids. "Euceratherium" was one of the first bovids to enter North America. The greatest diversities of bovids occur in Africa. As Eotragus lived in woodland environments is remained small in comparison to many modern bovids. The second clade is the subfamily Antelopinae, which includes all other bovids. The subfamily Caprinae are ruminants, consisting of mostly medium-sized bovids. The first bovids, kangaroos, and mastodons came about 15 million years ago. Most bovids bear 30 to 32 teeth. Groves and Grubbs Taxonomy of Ungulates is used as a minor reference for the Bovids. Deer constitute the second most diverse family of artiodactyla after bovids.