Assertion: petrel's wing | /r/HasProperty | more contrasting
Facets:
value: in leach’s
type: LOCATION
Source sentences:
text: (Leach’s storm petrel) being the main differences the paler band on the upper-wing which is more contrasting in Leach’s and extends to the wing bend, the white rump that looks more like a ‘V? than a ‘U’ on the later one and the deeply forked tail of Leach’s, when visible.