Assertion: rhino's number | /r/HasProperty | low
Facets:
value: as 30 individuals
type: OTHER
Source sentences:
text: but they are difficult to breed and the number is so low that the species is regarded as biologically unviable.
text: According to the International Rhino Foundation—housed in Yulee, Florida at White Oak Conservation, which breeds black rhinos—the total African population had recovered to 4,240 by 2008 (which suggests that the 2004 number was low).
text: Today, they estimate fewer than 80 Sumatran rhinos are left, and that number could be as low as 30 individuals that live across four fragmented national parks.