The article “Feeding Ecology of the Red-Eyed Vireo and Associated Foliage-Gleaning Birds” (Ecological Monographs, 1971: 129–152) presents the accompanying data on the variable X
the number of hops before the first flight and preceded by a flight. The author then proposed and fit a geometric probability distribution [p(x)
P(X
x)

px1
q for x
1, 2, . . . , where q
1  p] to the data. The total sample size was n
130.