Assertion: gull's egg | /r/HasProperty | black turnstones
Facets:
Source sentences:
text: Young birds and eggs are taken opportunistically and rarely, but can include black turnstones, lapland longspurs and even the eggs of other Sabine's gulls and geese.
text: Young birds and eggs are advantageous and rarely taken, but may also include black turnstones, Lapland loungers, and even other Sabine’s gull and Giz’s eggs.