Assertion: petrel's individual | /r/HasProperty | based on estimate
Facets:
value: by medrano et al
type: OTHER
Source sentences:
text: The IUCN estimated the population of Markham's storm petrel in 2019 as between 150,000–180,000 individuals, with between 100,000–120,000 mature individuals, based on an estimate by Medrano et al.