Assertion: petrel's burrow | /r/HasProperty | 2m long
Facets:
Source sentences:
text: The rudimentary nests are made with bits of grass in a chamber at the end of a burrow which may be 2m long and usually has an “elbow”, making access difficult.
text: The burrows can be up to two metres long and there is some competition between shearwaters and penguins in some colonies at the start of the breeding season.