Assertion: gull's population | /r/CapableOf | consider distinct species
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: The Common Gull comprises three populations, sometimes considered distinct species: Larus canus canus, the Common Gull, of western Eurasia; L. c. kamschatschensis, the "Kamchatka Gull", of eastern Eurasia; and L. c. brachyrhynchus, the "Short-billed Gull", which breeds in Alaska and western Canada.