Simplify the following text for a Grade 13 native English-speaking person.
Original: Ruminating mammals include cattle , goats , sheep , giraffes , bison , yaks , water buffalo , deer , camels , alpacas , llamas , wildebeest , antelope , pronghorn , and nilgai .
Simplified: Ruminating mammals include cattle , goats , sheep , giraffes , bison , moose , elk , yaks , water buffalo , deer , camels , alpacas , llamas , wildebeest , antelope , pronghorn , and nilgai .