poaching – v. to catch or kill an animal illegally

extinction – n.  the state or situation that results when something such as a plant or animal species has died out completely

sanctuary – n. a place where someone or something is protected or given shelter

calves – v. a baby of a large animal like a rhino

grasslands – n. land covered with grasses and other soft plants but not with bushes and trees

floodplains – n. an area of low, flat land along a stream or river that may flood