Assertion: tern's prey | /r/CapableOf | form significant part of the diet
Facets:
Source sentences:
text: Like most terns, this species feeds by plunge-diving for fish, either in the sea or in freshwater, but molluscs, crustaceans and other invertebrate prey may form a significant part of the diet in some areas.
text: The proportion of fish fed to chicks may be as high as 95% in some areas, but invertebrate prey may form a significant part of the diet elsewhere.