Assertion: goose barnacle | /r/AtLocation | floating nests
Facets:
value: on the beach
type: LOCATION
Source sentences:
text: Before about 1100 AD, the migration of birds was not properly understood and, in an attempt to explain the fact that the goose, Branta leucopsis, was never known to breed, it was believed that the birds' young hatched from the goose barnacles found in floating "nests" on the beach.