Wikipedia entity: Pelican
Topics: animal; reproduction; survival rate
Original sentence: Incubation takes 30-36 days; hatching success for undisturbed pairs can be as high as 95%, but because of sibling competition or siblicide, in the wild, usually all but one nestling dies within the first few weeks (later in the pink-backed and spot-billed species).
Quantified sentence: Incubation takes 30–36 days; hatching success for undisturbed pairs can be large, but because of sibling competition or siblicide, in the wild, usually all but one nestling dies within the first few weeks (later in the pink-backed and spot-billed species). 
Quantifier: large
Percentage: 95%
Specificity: unable