Assertion: dark cockatoo | /r/HasProperty | easy
Facets:
value: comparatively
type: MANNER
value: to sex
type: PURPOSE
Source sentences:
text: The dark cockatoos (subfamily Calyptorhynchinae) are sexually dimorphic and therefore comparatively easy to sex (see taxonomy section for guidelines), while the white cockatoos (subfamily Cacatuinae) do not display any difference in feather coloration and pattern between males and females.