Assertion: filly's birth | /r/CapableOf | peak for mountain zebras
Facets:
value: depending on the subspecies
type: OTHER
value: to peak in the period
type: TEMPORAL
Source sentences:
text: In the Grevy's zebra range, births typically peak in May and June or November and December, and for mountain zebras, births tend to peak in the period from December to February or November to April, depending on the subspecies.