Assertion: american bison's number | /r/CapableOf | jump up into thousand
Facets:
value: during the rainy season
type: TEMPORAL
value: in the serengeti
type: LOCATION
Source sentences:
text: Buffalo spend most of the year in herds of anywhere between 50 and 500, but that number jumps up into the thousands in the Serengeti during the rainy season.