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The common tern (Sterna hirundo) is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is strongly migratory, wintering in coastal tropical and subtropical regions. Breeding adults have light grey upperparts, white to very light…
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common tern terns birds may breeding isbn species nest arctic bill north black eggs london adults fish america also chicks
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Common tern | is a | agile flyer | 0.90 | text |
| floating rafts | instance of | and it readily adapts to artificial substrates | 0.80 | text |
| rats | instance of | crustaceans and other invertebrate prey may form a significant part of the diet in some areas.Eggs and young are vulnerable to predation by mammals | 0.80 | text |
| badgers | instance of | crustaceans and other invertebrate prey may form a significant part of the diet in some areas.Eggs and young are vulnerable to predation by mammals | 0.80 | text |
| American mink | instance of | crustaceans and other invertebrate prey may form a significant part of the diet in some areas.Eggs and young are vulnerable to predation by mammals | 0.80 | text |
| and large birds including gulls | instance of | crustaceans and other invertebrate prey may form a significant part of the diet in some areas.Eggs and young are vulnerable to predation by mammals | 0.80 | text |
| owls | instance of | crustaceans and other invertebrate prey may form a significant part of the diet in some areas.Eggs and young are vulnerable to predation by mammals | 0.80 | text |
| herons | instance of | crustaceans and other invertebrate prey may form a significant part of the diet in some areas.Eggs and young are vulnerable to predation by mammals | 0.80 | text |
| a darker bill or white forehead.The common tern is an agile flyer | instance of | or show only minor differences | 0.80 | text |
| capable of rapid turns | instance of | or show only minor differences | 0.80 | text |
| swoops | instance of | or show only minor differences | 0.80 | text |
| hovering | instance of | or show only minor differences | 0.80 | text |
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