Assertion: ostrich's female | /r/CapableOf | pull their neck
Facets:
Source sentences:
text: When courting, females stride around, pulling their neck back while puffing out their feathers and emitting low, monosyllabic calls that have been compared to drum beats.
text: When courting, females stride around, pulling their neck back while puffing out their feathers and emitting low, monosyllabic calls that have been compared to drum beats.