Assertion: island's population | /r/HasProperty | 50,000–60,000 pairs
Facets:
Source sentences:
text: It supports breeding populations of northern fulmars (50,000–60,000 pairs), purple sandpipers, red phalaropes (10 pairs), glaucous gulls (2000 pairs), black-legged kittiwakes (100,000 pairs), little auks (10,000–100,000 pairs), common guillemots (50,000 pairs), thick-billed guillemots (190,000 individuals) and black guillemots (1000 pairs).