Assertion: owl's song | /r/CapableOf | differ in five of the 13 parameters
Facets:
value: significantly
type: DEGREE
Source sentences:
text: A study of the two main European races, one based in Italy (S. a. aluco) and one in England (S. a. sylvatica), showed the primary song of the male differed significantly in five of the 13 parameters considered, duration of the second note, lowest frequency of the first note, and frequency modulation amplitude being the most important variables and the two races could be aurally discriminated with a high success rate (86.7%).